My wife's parents invited me to a hot spring getaway with all four of us. I had been abstaining from sex for a month, as ordered by my father-in-law, in order to try to conceive, and I had decided that today was the day to embrace my wife, but an unexpected fight broke out between us. I lost sight of where to direct my pent-up sexual desire, and was at a loss as I stared at her hard-on, even without touching her. That night, unable to sleep, I headed to the bathroom to try to distract myself, but by chance I witnessed my mother-in-law having a seductive bath...