Barry
It'll only ruin things for her if she lets it, sweetie. I'm learning that; a friend of mine had to remind me, but...yeah. It'll only ruin things if she lets it. If you let it. It'll be awkward at first, but it'll be okay.
Besides...there's lots of women here for you. And plenty of men here for her. Don't dwell. Take it from me, it isn't worth it.