What do I do when I’m about to have sex with someone I like very much for the first time and I can’t get it up?
I’m guessing your initials stand for Penis Problem? Here is the classic solution. You say something about that this is so exciting you are falling all apart. You stop, go get a coke, turn on the TV, etc. - do something you two can do together that is a complete change of pace. Order a pizza!