I think that Len is trying to say here is that you and your boyfriend engage often in the acts of human reproduction. You see when two humans of opposite sex decide that they would like to form offspring the male inserts his penis into the woman's vagina and they engage in "sex" until the male inserts her with his sperm in the hopes of fertilization.
[22:38] <DJ_Cyni-Cole> you're tell me, a writer, that books are lame?
Jesus fuels with 89 Octane and so do I. Eat it, heritics. -Halo