Guys are programmed to get horny when their girl fucks another guy. It makes the guy want to fuck the girl really hard and shoot a huge load in her. It's nature's way of telling guys that they need to replace competing sperm before it impregnates their girl.
IIN I want to be a Slut?
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Have you heard of sperm competition?
Guys are programmed to get horny when their girl fucks another guy. It makes the guy want to fuck the girl really hard and shoot a huge load in her. It's nature's way of telling guys that they need to replace competing sperm before it impregnates their girl.