Anyways I learned that he was now in a relationship, which hadn't happened ever since we had dated.
He spent the whole first part of the party ignoring me, he was with his friends and his girlfriend and he said hi to everyone except me. But later on, while I was dancing with one of my friends I noticed that he was staring at me. My friend noticed as well and even bent over to tell me he was completed into me. I smiled and started asking people around me for a cigarette but nobody was listening so came over to me and lent me his pack with a flirty smile.
I think he's still attracted to me, so how do I win him back?