1. Your Problem Isn't Laziness. You Already Know That.
She's intelligent. She's noticed the pattern — that it's not any single workout that fails her, it's all of them, eventually. That the stopping keeps happening regardless of how motivated she started.
The fitness industry was built around intensity, public performance, and people with very different lives. It was never designed for a woman finishing a long day still carrying everyone else's needs — who has dinner to make, kids to settle, and a household to hold together — and is then supposed to find motivation for an hour-long session twenty minutes away.
The stopping wasn't a character flaw. It was an incompatibility problem. The routine didn't fit the life — and no amount of discipline bridges that gap.