I got one kitten on monday (Bandit) and the other i picked up on thursday (Gizmo). Bandit is extremely playful and 14 weeks old and Gizmo is not playful and he is 8 weeks old. Whenever Bandit tries to play with Gizmo, Gizmo hisses and growls at him. Gizmo also hides under my bed at night. What...