Come on Mateo. I bet a girl can beat you!
No you can’t, Grandma. I am up for the challenge!!
(play punching and groaning tickling and fighting stuff).
Grandma wins!! Yaaay, Grandma!!!
Come on, Grandma. I want to win this one. Come on. Let’s beat the hell out of each other!

hmmmm. somebody always has to cross the line!