Advice

So there is this guy I work with that I developed very strong feelings for and I found out last night that before I ever developed any feelings, he started developing feelings for me. Once the feelings started to come through for me, I messaged him on Facebook and we started talking a lot. The problem is, I think I pushed him away. I have never felt like I am good enough for any kind of love because the way my family has always treated me so I went to far and I think I scared him. I was crushed when he stopped talking to me and I blamed him for a while, but I have started to realize it was me self-sabotaging things I didn't think I was worthy of. I ended up leaving the job for a while, but due to circumstances out of my control, I had to go back. I was gone for 10 months but as soon as I came back, I noticed him staring at me a lot and it isn't looks of disappointment or disgust. I can still see love in his eyes. I just want to start over but I know there is no way of doing that, so does anyone have any advise on how I should apologize or any thing else that might help so we can at least be friends? Or should I just let go of all of this and move on?