Joshua Hoadley answered question 7/29/2011 My Guinea Pig Has A Big Ball To Roll Around In, But When He's In It He Doesn't Budge! Also, He's Been Getting Really Aggressive. Is That Because He's Lonely? Should I Get Him A Companion? If you don't have another one you should try and spend more time with it and put a low dish with shreeded paper and put all its poop in there for a week and the guinea pig might try it to it worked for mine
