You will never know how "spongebob squarepant live in his bigini bottom" until you figure it out by your ownself. Is he happy? is he enjoying with his life? he'll tell you nothing. Maybe there are a reason why he is living in bigini bottom. There're always a reason. Maybe there is something wrong but maybe there is no wrong. Maybe. If you figure it out by your ownself there no maybe you will find the reason and all the answer.