From enemies to lovers

The walk back was silent, and by the time we reached the car, the sun had set. I drank the rest of my water as he started driving. "What was that all about?" "That guy was taking advantage of you, " he argued. "You trust people so easily, it's worrying." "Why are you acting like you care?" I asked, feeling confused. "I don't, " he stated again, which only made me more confused.