Is this normal? So basically my ex and I dated for 2 years from June 08 to July 09. Long story short, she cheated on me more than once and I just found them all out one at a time. It really hurt me and I was sad about it for a looooong time. She weasled her way back into my life on and off from August until about January of 2010 until I finally said enough is enough and cut it off for good. I went through a stretch of not dating anyone at all, and then around March I started going out on dates once again. I had some fun, dated around, enjoyed myself, but it was never the same and I couldn't commit to someone because I was still thinking about my ex for whatever reason.
Then, somehow it was kind of unexplainable that someone I had known awhile (a female friend) and I just got to talking about a variety of different things and we were clicking on levels that we had not felt before. So we decided to go out on a date and see if those feelings had any sort of base. I had told her all about the ex, and she told me about some of her past relationships as well. Bottom line, we really started to like one another.
After a few more dates we got to a point where we actually decided to make it official. However, before that happened she told me with all that has happened to me she wants to make sure i'm truly ready to be in the relationship. I actually said yes, in part because I really liked her, and in another part because I was scared that if I said no I would lose her.
So as time has gone by, she and I have gotten really close. I care about her deeply. But for some reason, I just can't get my ex out of my mind.. I just don't understand, does this mean something? What should I do?