JoJo is a nine month old rottweiler with an attitude. The problem is that she gets too wild in the house, especially on the bed. When we're trying to sleep she thinks it's play time. No matter what we do we can't get her to stop biting. When she bites it's just putting your hand in her mouth really, but she also sits on you and slaps you with her paw. She's 85# and still growing and we want some control over her when she's an adult. We could have fixed this problem when she was younger, but we didn't her then, she came form a shelter. Anyways, how can I calm her down so she doesn't get so excited in the house?