Compromises

I know being in a relationship is about compromising, but recently I have been extremely upset with one thing. My boyfriend recently graduated college and moved in with me. He didn't have a Car, so I was letting him use mine because he has to have a car for work. Well, my biological dad is the one who bought it for me because of child support. Well turns out, my dad Could legally take the care away since he was still paying on it after child support was up for me. So my boyfriend and I went and bought a car a few weekends ago. Well, again...I have no car. While my boyfriend gets to drive the car. Am I being dramatic or do I have a legitimate reason to be slightly upset. I feel like my boyfriend kinda just came in and took over the cars. Now I'm stuck to either walking 3 miles to work or catching rides from people.