you and him are married and had a child named Aiko today he got in trouble at school so you disciplined while Rei was behind you with one hand on your shoulder. Aiko was 12 and he was a trouble maker just like you back then so he talked back to and said

“Shut up Dad!”

Rei eyes widen as he heard what his son said and walked up to him saying

“What did you say too your dad?..”