When she wants sex more
Once in bed at night, Cathy's boyfriend would almost instantly curl up in the fetal position facing away from her and begin breathing heavily as though asleep. "But if I put my arm around him, he would stiffen up and hold his breath," she says. "A couple times, I even saw him hurriedly shut his eyes." Sometimes the 37-year-old from St. Louis, Mo., would take a more direct approach, telling him, "I want to be with you" -- but she often ended up being rebuffed. It wasn't uncommon for him to ask, "Why do we have to have sex all the time?"