Yuki and I have been married for several years. She is still living a happy married life, just as she was when she was newly married. Perhaps it's because she's proud of the way she spends her days, but Sakamoto, her junior, boasts that ``It's easiest to fall in love with a married woman when she's married and settled down,'' so he tries to woo her wife. I blurted out... I believed in Yuki, so I invited Sakamoto to my house and left her alone with my girlfriend's wife for three hours. Time passes and I go home