The other day, when I had sex with my wife for the first time in a while, her blowjob skills, which had been so bad that her teeth would touch each other, had improved dramatically. My wife, who used to only wear plain underwear, started wearing sexy underwear. My beloved wife, who I'd been married to for 18 years, seemed like a completely different person. Since we started living together with my younger brother, a man who is unemployed and lives a life of moving from woman to woman, I was suspicious of the sudden change in my wife, so I came home earlier than usual that day...