Working things out...

So me and my ex. Were not a good couple. Even tho in public we were always commented on how perfect we were. I dated another guy. But in my heart I knew I wanted my ex back and try working things out. So I asked him for one more chance. He finaly decided to give me one. I didn't feel conferrable kissing him today. But we kissed. He could tell I wasn't ready for it. But I held my feelings back. And I kissed him. I don't know what to do. I feel like everything is ganna go back to the way it was. Im scared of losing him again.