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I don't think you screwed up necessarily. It sounds like you were in a lose lose situation. If you didn't send the pics, she might not have showed up for one reason, but if you did, she might not show up for another. I am sorry that you are hurting. It is hard to make yourself vulnerable. My first fully sexual experience with a woman was my boyfriend's wife. Both of us were inexperienced and it ended up not working out for other reasons. My second one was with my husbands last girlfriend. They decided they were better off friends and I am wary to put myself out there again since Tings keep ending when I start getting attached.