I have this problem my wife and i have been having this sex problem she and have a great sex life when she stay wet but there are times she dry up and sometime it make it hard to have sex with her and the other problem sometime I go limp. I also love when she give me a blow job but then i can hold still when she does it to me anyone can help me for holding still
check your wife if she is a diabetic, if her sugar level is high it can cause dryness in her