"Cumming and eating" is what many moms teach their step sons to do on their girlfriends. They will teach him to masturbate by rubbing his penis on her; he will learn to "cum" on the girl; he will learn how to eat and "smell" her, and most importantly, he will get the chance to please his girlfriend. If you are a stepson looking for an opportunity to show your skills in bed, this is the right place for you to learn. You can satisfy your stepmom by giving her a deepthroat blowout. Here is a tip that might help you last longer while pleasing your girlfriend:.