Returning home to my wife's parents' house after a long time, I went to take a shower but realized I was out of shampoo, so my stepmother brought me some. She invited me to let her wash my back. Though I initially refused, I ended up letting her. While she was washing me, I opened up about my sexless marriage with her daughter. My stepmother quietly apologized, saying, "I'm sorry for my daughter," and an uneasy silence followed...