Goku Trains for His Wife

Alright, you smooth brain, listen up. You see Goku doing push-ups? That's not for show, he's doing it for his wife Chi-Chi, so she doesn't have to suffer with weak punches. It is a joke based on a character from anime, that is super strong and has a wife. So, he tries to protect her. I know it is not too hard to understand, but I know that you needed me to spell it out for you. You are welcome.