diff --git a/src/sheet.rs b/src/sheet.rs
index 5c924e8..b5c1cf0 100644
--- a/src/sheet.rs
+++ b/src/sheet.rs
@@ -223,10 +223,10 @@ impl CharacterSheet {
 impl CharacteristicType {
     fn check(&self) {
         match self {
-            CharacteristicType::Address(_) => println!("Rules for address"),
-            CharacteristicType::Stamina(_) => println!("Rules for stamina"),
-            CharacteristicType::Luck(_) => println!("Rules for luck"),
-            CharacteristicType::Skill(_) => println!("Rules for skill"),
+            CharacteristicType::Address(_) => todo!("Rules for address"),
+            CharacteristicType::Stamina(_) => todo!("Rules for stamina"),
+            CharacteristicType::Luck(_) => todo!("Rules for luck"),
+            CharacteristicType::Skill(_) => todo!("Rules for skill"),
         }
     }
 }