What do I do if I still like him?

[Lilly]

Okay so, I went out with this boy since first year, I'm now in fourth year. We broke up at the end of third year and i still can't get over him. It's been 8 months and he's still all I think about. He was my best friend for over 2 years, and he looks perfectly fine without me. I always catch him looking at me in school. We were both at the same fireworks display in November but with different groups of people, I got upset and was crying and he came over and made sure I was okay, hugged me and messaged me on Facebook later that night. We were talking a few weeks ago and he asked me to text him instead of Facebook, I had deleted his number but he kept mine. Whenever we have a non uniform day or a sports event on at school, he will wear the hoodie I bought for him...I still like him so I told him, but he told me he doesn't like me, but everyone else thinks he's lying...what do I do? Please please help me someone!!