My guinea pig. and treats :)?

one thing you must know about guinea pigs is that they know when they are full. dont be afraid of feeding them too much or getting them fat because when they are full they stop eating. so if you feed him a few apple slices and he eats it all, you could try something else for a little and eventually he will stop. dont force feed him, he knows when he is hungry. as for the treats, im not sure if they are really bad for them as most people think. i would do some research on that but i think it is similar to food but is not to replace their food