“The V-shaped cut in the abs. They’re sex lines.” I stepped back and leaned a shoulder against the wall, absorbing the weight of their stares. “The scientific name is transversus abdominis. It’s a sheet of muscle that wraps around the body and supports the spine. When you have a super-strong core and low body fat, you can see the muscle’s edges. Also known as the Adonis belt, named after Adonis, the legendary god of beauty.”