Your girlfriend decided to see if your stepdad could last longer than you could. Maybe she will just give him your chastity keys and let him teach you how to be a man.
I once said how hot it would be to not be unlocked on our honeymoon when she was edging me. I never mentioned it again after the post nut clarity out of fear she would actually do it. Apparently she agreed it would be hot. Leaving the keys was my wedding