diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterHandlers.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterUtils.kt
similarity index 90%
rename from eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterHandlers.kt
rename to eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterUtils.kt
index 0ca734e..346e239 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterHandlers.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/BoosterUtils.kt
@@ -44,6 +44,10 @@ fun OfflinePlayer.setAmountOfBooster(booster: Booster, amount: Int) {
     this.profile.write(booster.dataKey, amount)
 }
 
+fun OfflinePlayer.incrementBoosters(booster: Booster, amount: Int) {
+    this.setAmountOfBooster(booster, this.getAmountOfBooster(booster) + amount)
+}
+
 fun Player.activateBooster(booster: Booster): Boolean {
     val amount = this.getAmountOfBooster(booster)
 
@@ -51,7 +55,7 @@ fun Player.activateBooster(booster: Booster): Boolean {
         return false
     }
 
-    setAmountOfBooster(booster, amount - 1)
+    this.setAmountOfBooster(booster, amount - 1)
 
     for (activationMessage in booster.getActivationMessages(this)) {
         Bukkit.broadcastMessage(activationMessage)
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Booster.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Booster.kt
index 5c9212c..ae930f9 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Booster.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Booster.kt
@@ -16,17 +16,32 @@ import org.bukkit.entity.Player
 import org.bukkit.inventory.ItemStack
 import java.util.UUID
 
+/*
+Stored externally to fix the weirdest bug of all time, that I don't understand.
+I think it comes from reload behaviour, where the identities of the keys aren't the same,
+even though the keys are - genuinely not a clue, and this took me twice as long to fix as it
+took me to write the entire rest of the plugin.
+ */
+private val dataKeyTracker = mutableMapOf<String, PersistentDataKey<Int>>()
+
 class Booster(
-    plugin: BoostersPlugin,
+    private val plugin: BoostersPlugin,
     val config: Config,
 ) : Holder {
     val id = config.getString("id")
 
-    val dataKey = PersistentDataKey(
-        plugin.namespacedKeyFactory.create(id),
-        PersistentDataKeyType.INT,
-        0
-    )
+    val dataKey: PersistentDataKey<Int>
+        get() {
+            if (!dataKeyTracker.containsKey(id)) {
+                dataKeyTracker[id] = PersistentDataKey(
+                    plugin.namespacedKeyFactory.create(id),
+                    PersistentDataKeyType.INT,
+                    0
+                )
+            }
+
+            return dataKeyTracker[id]!!
+        }
 
     val name = config.getFormattedString("name")
 
@@ -48,6 +63,9 @@ class Booster(
     val expiryMessages: List<String> = config.getStrings("messages.expiry")
 
     fun getGuiItem(player: Player): ItemStack {
+        val amount = player.getAmountOfBooster(this)
+        println("$id: $amount")
+
         return ItemStackBuilder(Items.lookup(config.getString("gui.item")))
             .setDisplayName(config.getFormattedString("gui.name"))
             .addLoreLines(
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Boosters.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Boosters.kt
index 403ac31..ded2665 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Boosters.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/boosters/Boosters.kt
@@ -46,7 +46,7 @@ object Boosters {
             EffectChains.compile(it, "Effect Chains")
         }
         for (booster in values()) {
-            removeSet(booster)
+            removeBooster(booster)
         }
         for (config in plugin.boostersYml.getSubsections("boosters")) {
             Booster(plugin, config)
@@ -70,7 +70,7 @@ object Boosters {
      * @param booster The [Booster] to remove.
      */
     @JvmStatic
-    fun removeSet(booster: Booster) {
+    fun removeBooster(booster: Booster) {
         BY_ID.remove(booster.id)
     }
 }
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/commands/CommandGive.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/commands/CommandGive.kt
index 4469b96..243598f 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/commands/CommandGive.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/commands/CommandGive.kt
@@ -1,8 +1,7 @@
 package com.willfp.boosters.commands
 
 import com.willfp.boosters.boosters.Boosters
-import com.willfp.boosters.getAmountOfBooster
-import com.willfp.boosters.setAmountOfBooster
+import com.willfp.boosters.incrementBoosters
 import com.willfp.eco.core.EcoPlugin
 import com.willfp.eco.core.command.impl.Subcommand
 import com.willfp.eco.util.StringUtils
@@ -42,25 +41,21 @@ class CommandGive(plugin: EcoPlugin) :
             amount = args[2].toIntOrNull() ?: amount
         }
 
-        this.plugin.scheduler.runAsync {
-            @Suppress("DEPRECATION")
-            val player = Bukkit.getOfflinePlayer(args[0])
-            if (!player.hasPlayedBefore()) {
-                sender.sendMessage(plugin.langYml.getMessage("invalid-player"))
-                return@runAsync
-            }
-
-            this.plugin.scheduler.run {
-                player.setAmountOfBooster(booster, player.getAmountOfBooster(booster) + amount)
-            }
-
-            sender.sendMessage(
-                plugin.langYml.getMessage("gave-booster", StringUtils.FormatOption.WITHOUT_PLACEHOLDERS)
-                    .replace("%player%", player.name ?: return@runAsync)
-                    .replace("%booster%", booster.name)
-                    .replace("%amount%", amount.toString())
-            )
+        @Suppress("DEPRECATION")
+        val player = Bukkit.getOfflinePlayer(args[0])
+        if (!player.hasPlayedBefore()) {
+            sender.sendMessage(plugin.langYml.getMessage("invalid-player"))
+            return
         }
+
+        player.incrementBoosters(booster, amount)
+
+        sender.sendMessage(
+            plugin.langYml.getMessage("gave-booster", StringUtils.FormatOption.WITHOUT_PLACEHOLDERS)
+                .replace("%player%", player.name ?: return)
+                .replace("%booster%", booster.name)
+                .replace("%amount%", amount.toString())
+        )
     }
 
     override fun tabComplete(sender: CommandSender, args: List<String>): List<String> {
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/gui/BoosterGUI.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/gui/BoosterGUI.kt
index 4d7854f..b4f3903 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/gui/BoosterGUI.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/boosters/gui/BoosterGUI.kt
@@ -67,13 +67,6 @@ object BoosterGUI {
                     slot(
                         { player, _ -> booster.getGuiItem(player) }
                     ) {
-                        setUpdater { player, _, prev ->
-                            val newItem = booster.getGuiItem(player)
-                            prev.itemMeta = newItem.itemMeta
-                            prev.type = newItem.type
-                            prev.itemMeta?.lore?.forEach { println(it) }
-                            prev
-                        }
                         onLeftClick(makeHandler(booster, plugin))
                     }
                 )