Complicated & Confused

This is the first blog I've ever written; it's weird. I feel pretty weird myself. Shouldn't a person be able to discern her feelings? Know exactly how she feels about a person? My ex did some hurtful things in the 6 months preceding our breakup. We were together for several years and were dissimilar in our interests. We've been talking for about 3 months now. He says he wants to be more than friends and has made some dramatic changes in his life. We're more compatible now than before! I'm so frustrated because I'm not sure how I even feel towards him. And now he would make a much better partner than before. So, this stresses me out. It doesn't help that a few people have said "Well, if you don't know by now then it isn't right." He was a big part of my life, and I know I don't want to lose him. But I'm not sure if I want more than friendship...I just feel like I'm an idiot for not knowing : /