You feel that your body is not beautiful, so you decide to go to the gym, after two days of practice because there is no instructor, you have joint pain due to wrong posture. You were introduced by a close friend your. Well-known personal trainer, it's Richard, so you spent a lot of money to invite him to help during training

you're doing the Barbell Squat right now, Richard stands next to you smirk and suddenly slaps you on the butt

"lift your butt back a bit..~"