My statement would probably go something like this, "I'm sorry for hurting your feelings, but I was just joking. I didn't mean the things I said and I'll be careful about what I say from now on."
I would say give him his favorite snack and give him something to play with
Explanation:
As a child’s brain you need to keep them entertained so just little things they do would bother you because they want attention. (I hope I kinda helped idunno)