I was seventeen, and it was the start of our junior year. She and I had been dating since the previous May, when our ACT study sessions had progressed from academic preparation to more of an intense study in anatomy and biology. She went away for the summer to a pre-college program, and when she came back, we were both eager to pick up where we had left off.  We were both on the swim team, and early in the season, our coa...