1.
This guy working out in skinny jeans.
3.
People who talk on the phone the whole time.
4.
This girl eating an ice cream cone on the bike.
6.
Anyone who works out in heels.
9.
People who use Photoshop to show off.
10.
People who smell really, REALLY bad.
11.
Whoever designed this.
15.
People who take gym selfies.
16.
Whoever is committing this treacherous act of sabotage.
17.
Anyone who takes an escalator.