Are you sure he is only 2 and a half?

Aiden: Daddy, mummy and Aiden in mummy's stomach
Me: Haha, no, last time Aiden was in mummy's stomach
Aiden: And frans
Me: What is frans?
Aiden: Err.. frans is like... those people...
Me: Oh friends! Haha, no friends in mummy's stomach

Sometimes i think my boy is 5 years old!