diff --git a/data/maps/PacifidlogTown_House2/scripts.inc b/data/maps/PacifidlogTown_House2/scripts.inc
index 3dedcec30f..175b477e7a 100644
--- a/data/maps/PacifidlogTown_House2/scripts.inc
+++ b/data/maps/PacifidlogTown_House2/scripts.inc
@@ -11,9 +11,9 @@ PacifidlogTown_House2_EventScript_FanClubYoungerBrother::
 	call_if_unset FLAG_MET_FANCLUB_YOUNGER_BROTHER, PacifidlogTown_House2_EventScript_FirstMonAssessment
 	setflag FLAG_MET_FANCLUB_YOUNGER_BROTHER
 	specialvar VAR_RESULT, GetLeadMonFriendshipScore
-	goto_if_ge VAR_RESULT, 4, PacifidlogTown_House2_EventScript_GiveReturn
+	goto_if_ge VAR_RESULT, FRIENDSHIP_150_TO_199, PacifidlogTown_House2_EventScript_GiveReturn
 	specialvar VAR_RESULT, GetLeadMonFriendshipScore
-	goto_if_ge VAR_RESULT, 2, PacifidlogTown_House2_EventScript_PutInEffort
+	goto_if_ge VAR_RESULT, FRIENDSHIP_50_TO_99, PacifidlogTown_House2_EventScript_PutInEffort
 	goto PacifidlogTown_House2_EventScript_GiveFrustration
 	end
 
diff --git a/data/maps/SlateportCity_PokemonFanClub/scripts.inc b/data/maps/SlateportCity_PokemonFanClub/scripts.inc
index b97e29a028..3b50428614 100644
--- a/data/maps/SlateportCity_PokemonFanClub/scripts.inc
+++ b/data/maps/SlateportCity_PokemonFanClub/scripts.inc
@@ -192,7 +192,7 @@ SlateportCity_PokemonFanClub_EventScript_SootheBellWoman::
 	goto_if_set FLAG_RECEIVED_SOOTHE_BELL, SlateportCity_PokemonFanClub_EventScript_ReceivedSootheBell
 	msgbox SlateportCity_PokemonFanClub_Text_ShowMePokemonThatLoveYou, MSGBOX_DEFAULT
 	specialvar VAR_RESULT, GetLeadMonFriendshipScore
-	goto_if_ge VAR_RESULT, 4, SlateportCity_PokemonFanClub_EventScript_GiveSootheBell
+	goto_if_ge VAR_RESULT, FRIENDSHIP_150_TO_199, SlateportCity_PokemonFanClub_EventScript_GiveSootheBell
 	release
 	end
 
diff --git a/data/maps/VerdanturfTown_FriendshipRatersHouse/scripts.inc b/data/maps/VerdanturfTown_FriendshipRatersHouse/scripts.inc
index 84cdef029e..97e522471f 100644
--- a/data/maps/VerdanturfTown_FriendshipRatersHouse/scripts.inc
+++ b/data/maps/VerdanturfTown_FriendshipRatersHouse/scripts.inc
@@ -7,13 +7,13 @@ VerdanturfTown_FriendshipRatersHouse_EventScript_FriendshipRater::
 	msgbox VerdanturfTown_FriendshipRatersHouse_Text_SeeHowMuchPokemonLikesYou, MSGBOX_DEFAULT
 	specialvar VAR_RESULT, GetLeadMonFriendshipScore
 	switch VAR_RESULT
-	case 0, VerdanturfTown_FriendshipRatersHouse_EventScript_DetestsYou
-	case 1, VerdanturfTown_FriendshipRatersHouse_EventScript_VeryWary
-	case 2, VerdanturfTown_FriendshipRatersHouse_EventScript_NotUsedToYou
-	case 3, VerdanturfTown_FriendshipRatersHouse_EventScript_GettingUsedToYou
-	case 4, VerdanturfTown_FriendshipRatersHouse_EventScript_LikesYouQuiteALot
-	case 5, VerdanturfTown_FriendshipRatersHouse_EventScript_VeryHappy
-	case 6, VerdanturfTown_FriendshipRatersHouse_EventScript_AdoresYou
+	case FRIENDSHIP_NONE, VerdanturfTown_FriendshipRatersHouse_EventScript_DetestsYou
+	case FRIENDSHIP_1_TO_49, VerdanturfTown_FriendshipRatersHouse_EventScript_VeryWary
+	case FRIENDSHIP_50_TO_99, VerdanturfTown_FriendshipRatersHouse_EventScript_NotUsedToYou
+	case FRIENDSHIP_100_TO_149, VerdanturfTown_FriendshipRatersHouse_EventScript_GettingUsedToYou
+	case FRIENDSHIP_150_TO_199, VerdanturfTown_FriendshipRatersHouse_EventScript_LikesYouQuiteALot
+	case FRIENDSHIP_200_TO_254, VerdanturfTown_FriendshipRatersHouse_EventScript_VeryHappy
+	case FRIENDSHIP_MAX, VerdanturfTown_FriendshipRatersHouse_EventScript_AdoresYou
 	release
 	end
 
diff --git a/include/constants/pokemon.h b/include/constants/pokemon.h
index 40af999fde..0e17357a32 100644
--- a/include/constants/pokemon.h
+++ b/include/constants/pokemon.h
@@ -181,6 +181,15 @@
 #define FRIENDSHIP_EVENT_FAINT_FIELD_PSN  7
 #define FRIENDSHIP_EVENT_FAINT_LARGE      8 // If opponent was >= 30 levels higher. See AdjustFriendshipOnBattleFaint
 
+// Constants for GetLeadMonFriendshipScore
+#define FRIENDSHIP_NONE        0
+#define FRIENDSHIP_1_TO_49     1
+#define FRIENDSHIP_50_TO_99    2
+#define FRIENDSHIP_100_TO_149  3
+#define FRIENDSHIP_150_TO_199  4
+#define FRIENDSHIP_200_TO_254  5
+#define FRIENDSHIP_MAX         6
+
 #define MAX_FRIENDSHIP  255
 #define MAX_SHEEN       255
 #define MAX_CONDITION   255
diff --git a/src/field_specials.c b/src/field_specials.c
index 7c226e7a39..6aa62d22f4 100644
--- a/src/field_specials.c
+++ b/src/field_specials.c
@@ -941,19 +941,19 @@ u8 GetLeadMonFriendshipScore(void)
 {
     struct Pokemon *pokemon = &gPlayerParty[GetLeadMonIndex()];
     if (GetMonData(pokemon, MON_DATA_FRIENDSHIP) == MAX_FRIENDSHIP)
-        return 6;
+        return FRIENDSHIP_MAX;
     if (GetMonData(pokemon, MON_DATA_FRIENDSHIP) >= 200)
-        return 5;
+        return FRIENDSHIP_200_TO_254;
     if (GetMonData(pokemon, MON_DATA_FRIENDSHIP) >= 150)
-        return 4;
+        return FRIENDSHIP_150_TO_199;
     if (GetMonData(pokemon, MON_DATA_FRIENDSHIP) >= 100)
-        return 3;
+        return FRIENDSHIP_100_TO_149;
     if (GetMonData(pokemon, MON_DATA_FRIENDSHIP) >= 50)
-        return 2;
+        return FRIENDSHIP_50_TO_99;
     if (GetMonData(pokemon, MON_DATA_FRIENDSHIP) >= 1)
-        return 1;
+        return FRIENDSHIP_1_TO_49;
 
-    return 0;
+    return FRIENDSHIP_NONE;
 }
 
 static void CB2_FieldShowRegionMap(void)