I’m betting that she dumps him once she gets the parking spot.
Obviously she’s a bit of a bitch, but you get that with colossal displays of male weakness.
Anyway, it’s funny because it’s just a parking spot. It’s when you buy a house with girlfriends that hate you that you really wish you had a parking spot experience early on.
Learn and adapt.
Obviously the answer is to have the parking spot in your name. If she gives you too much trouble and the relationship comes to an end, you can have her car towed.