My wife, Marina, ended up going to a martial arts gym because of my careless remark, ``Are you fat?'' Ever since she joined, I felt relieved and let my guard down as I watched Marina's body tighten up quickly. However, around that time, he began to notice not only changes in her body shape, but also other strange things about Marina, such as her strangely flashy underwear and not answering her phone calls. As if to mock me for not having the courage to ask questions, my girlfriend's wife kept crossing the line with my handsome trainer...