Vagiphobia
The phenomenon in which the human male penis cannot bring or hold an erection to enter the female vagina or prematurely ejaculates shortly after penetration.
"John, it hasn't even been 10 seconds and you already came."
"I'm sorry Jane, I can't get over this vagiphobia ever since my ex left me a month ago."
"I'm sorry Jane, I can't get over this vagiphobia ever since my ex left me a month ago."