A Vicious Exercycle
There's an overweight man. He's embarrassed about his appearance, and really needs the motivation and personal attention of a gym membership.
Here's the problem. He is embarrassed about his appearance.
And joining a gym would require him to go out into that very public he's embarrassed to be seen by in his condition, wearing gym shorts and a t-shirt that don't hide much.
So, instead, he buys a treadmill and never uses it.
How do we tip this?