Well you could buy Alli... JUST KIDDING! Actually my guinea pig is VERY fat so we try to give her as much healthy foods as we can try Carrots they love those... If she is fat then go to the store and...
you can lay your guinea pig on your chest while you watch TV and talk softly to her/him, or you can sit them on your lap while you eat and hand food down to them every once in a while. If you are...
It depends if your pig has a big C&C cage than its not necessary but if you have a pet store cage your guinea pig will enjoy it! I have two guinea pigs who I walk just because they like it event...