Cute Pets
Sanity is having cute pets that love you unconditionally.
Nether
Sanity is when hell can look this good.
Monsters
Sanity is knowing the monsters can be killed.
Explosions!
Sanity is the sweet sound of EXPLOSIONS!
Organized GUI
Sanity is achieving organization with style.
Obligatory Screnshot
Sanity is... the obligatory screenshot?
Mystcraft Support
Sanity is discovering wondrous new worlds
Friends
Sanity is discovering new cultures and making new friends.