HELP ME!!!!

Ok I have a question lady's...... I've been with my guy for a while and he never gets off..... we have great sex but he says he can't get off bc I get to wet. I feel like a failure I've never had this problem with any guy and the few times he has gotten off it takes like 3 hours and I have to constantly wipe myself off bc it's very slippery..... does anyone else have this problem?????