Also: Bob's going to Bob's house. (Bob is going to the house Bob owns). Look, a bear! It's going to its cave. (Look a bear. It is going to the cave it owns)

Also: Bob's going to Bob's house. (Bob is going to the house Bob owns). Look, a bear! It's going to its cave. (Look a bear. It is going to the cave it owns) "its" is a weird special case.