Your girlfriend sits you down to have a big talk. She tells you that she’s leaving you for her ex-boyfriend. Your 5.5” just can't compare to his 10”. She humiliates you for your “prowess” in the bedroom, she humiliates your performance in the bedroom, and because of your blubbering, she offers you one last chance to win her back. You’re going to have a threesome with her and her ex, and if you can fuck her better than he can, she will stay with you. If you don’t last 5 minutes while she’s sucking his much bigger cock, you’ll have to suck his big cock too! It seems she’s known you’re a cuckold for a long time. You’d better start packing your things now!