Yes, he has everything he wanted, but it's also how everything he wanted was ruined for him. Like, if we told my grandma that something she'd cooked was delicious, then we'd be eating the same thing for the next couple of days, till it was no longer special or delicious.
I'm guessing it's one of those cases of the alpha's body instinctively trying to impregnate their fated omega.
Or whoever performed the vasectomy needs to go back to medical school.