The other problem is that having no willpower or discipline is a bad thing in general. If she can exercise regularly and learn to control her calorie intake, then she can apply that discipline to every other area of her life. If she's just injecting a solution, her brain will continue to look for the easy way out everywhere else, too.
The other problem is that having no willpower or discipline is a bad thing in general. If she can exercise regularly and learn to control her calorie intake, then she can apply that discipline to every other area of her life. If she's just injecting a solution, her brain will continue to look for the easy way out everywhere else, too.