Minithing, like a sketch

A: I used to really like that.
B: I used to really like you.
A: I used to really like myself over there.
B: I used to really like me when you were I.
A: I used to like myself like THAT.
B: I really liked you who were it.
A: If I were that, I wouldn't help YOU.
B: I wouldn't help anything like you.
A: I like my helpful self.
B: Ta-da!