DEAR ABBY: Two years ago, I had a miscarriage. The guy was nothing more than a fling. We were careful and never did anything without protection, but it happened anyway. I have now been in a relationship with a really great guy for four months. I said I wanted to take it slow, and he has been very supportive, but we are both getting antsy to move to the next step of intimacy. My problem is, I can’t seem to stop having anxiety attacks when I think about the possibility of getting pregnant again, even using two forms of birth ...