ALDN-363

Synopsis: My wife and I went back to my wife's parents' house for the first time in a long time. My parents-in-law welcomed us warmly. During a family get-together, my father-in-law said that he wanted to see his grandchild, and my wife suddenly got up in a bad mood. I told my parents-in-law, who were confused, that my wife was refusing to have sex at night, and that even if they asked her, it would be no use. I felt sorry for my parents-in-law's disappointment. I woke up in the middle of the night to go to the bathroom, and stopped at the light leaking out in front of my parents-in-law's bedroom. I peeked in and saw my parents-in-law having sex. I knew I shouldn't look, but I was sexually hungry and couldn't take my eyes off them. My erection wouldn't go away, so I hid and masturbated, and my mother-in-law came in. She told me to wait as I hurriedly hid, saying, "You're going to get pent up because your daughter hasn't done it