What are some things to say about video games to my gamer boyfriend?

he has this friend that im jealous of that he talks to about games,so i want to seem like i know stuff about them. what are some things i could say?What are some things to say about video games to my gamer boyfriend?Tell him you're leet and that you can pwn him and his noob friends anytime, anywhere. And also you could give him head. He might like you then.