I have a question

Hey everyone, I am 18 (F), I will be going to my seven year-old cousins tomorrow, and he really wants to play wrestle/arm wrestle. This is only my second time seeing him his entire life, and I’m never around people his age, so I’m not really sure what to expect. How close are we in terms of strength?

He also wanted to play tug-of-war me and him, so again what exactly what this look like? How close would we be when we play this game?

His mom said that he is well below average for a kid his age, but at the same time whenever we spoke over FaceTime he was flexing his arms and he seemed pretty tough/confident. He wants to play tug-of-war, along with play wrestling/arm wrestling. These be good games? He’s pretty excited to play with me.