TJ: If I am a daddy, then there will be two daddies.
Mama: What do you mean?
TJ: If I am a daddy, there will be two daddies.
Mama: Who will be the other daddy?
TJ: Daddy.
Mama: Oh, I see. Well, Daddy would be the grandfather if you had a baby.
TJ: Julia's grandfather.
Mama: Hm. OK, if you had a baby, what would you name the baby?
TJ: Um, um, um. Daddy.
Mama: Oh. OK. So, Daddy your daddy, would be Daddy your baby's grandfather.