As Mark finished telling his story I put my elbows on the desk and my head in my hands. I was overwhelmed with emotions. The first of which was that old familiar guilt. My father had not only found out that my brother and I had been having sex, but had been subjected to explicit photos of it. Even though my brother had miraculously convinced him that it wasn't going on anymore, he still knew. No wonder he had been awkward with me for several weeks when I had come back from Europe. I now remembered how the first time I came to visit after my trip Dad seemed different,...