Search Results: getting over an ex boyfriend

I got this new job a month ago, we have training classes for a week every couple of weeks. The first day I sat next to this one girl and we started talking, we had a lot in common. She told me about her ex who is the same race as me and why they broke off, then at a later time in a convo she said "mind you I don't even have a boyfriend yet.", we would talk so much that we got in trouble couple of time. She always smiled and looked right at me and had an open posture, always turned towards me. I saw her in my peripherals looking at me a few times. The following week I added her on facebook ( 1 am indeliberately) she accepted. We had class again the following week and the same thing we talked a lot laughed a lot. before our lunch, she said she felt like getting coffee and I got it for her. we walked to our cars together a few times as she waited for me once while I got my stuff (2nd week). Then we don't see each other for a month (i don't message her) until next set of classes. This time when I come I see the seat next to her is open and I take it we start talking about holidays and she remembered I told her I don't celebrate Christmas and asked about my new year. Same thing this week we talk and now we are sitting very close she is always accidently touching me. We talk about food and got into an argument over chipotle and moe's and I told her I never had moe's. The next day at lunch times I asked her if she wants to get moe's and she said no it's too cold but then she was about to go get food and said I'm going next door to subway if you want to come. I said sure and we went over talked, joked and then again talked about her ex-bf for some reason as a class though. later in the day, we were talking about the weekend and she said she was not doing anything and all she does is stay home alone watch tv. I told her I might be going somewhere and then we left and she said see you around. I never got her number should I message her on facebook and ask if he wants to hang?