diff --git a/config.rn b/config.rn
index c71476f..7a891c7 100644
--- a/config.rn
+++ b/config.rn
@@ -14,18 +14,18 @@ pub const MONTHS_PER_YEAR = 12;
 // Life stages: days spent in each stage; fertile stages can have children
 pub const TODDLER = #{ min_days: 2, max_days: 4, fertile: false };
 pub const CHILD = #{ min_days: 4, max_days: 8, fertile: false };
-pub const TEEN = #{ min_days: 4, max_days: 8, fertile: false };
+pub const TEEN = #{ min_days: 4, max_days: 8, fertile: true };
 pub const YOUNG_ADULT = #{ min_days: 6, max_days: 12, fertile: true };
 pub const ADULT = #{ min_days: 20, max_days: 40, fertile: true };
-pub const OLDER_ADULT = #{ min_days: 10, max_days: 20, fertile: false };
+pub const OLDER_ADULT = #{ min_days: 10, max_days: 20, fertile: true };
 pub const ELDERLY = #{ min_days: 4, max_days: 10, fertile: false };
 
 // Initial world
-pub const INITIAL_POPULATION = 9;
-pub const INITIAL_YOUNG_ADULTS = 3;
-pub const INITIAL_RABBITS = 60;
-pub const INITIAL_WOLVES = 4;
-pub const INITIAL_FOOD = 60;
+pub const INITIAL_POPULATION = 90;
+pub const INITIAL_YOUNG_ADULTS = 30;
+pub const INITIAL_RABBITS = 600;
+pub const INITIAL_WOLVES = 40;
+pub const INITIAL_FOOD = 600;
 pub const INITIAL_PERSON_HUNGER = 10.0;
 pub const INITIAL_ANIMAL_ENERGY = 70.0;
 pub const ANIMAL_ENERGY_DEATH_THRESHOLD = 0.0;