many temptations; the temptations are many; a good many; a great many; many directions; take as many apples as you like; too many clouds to see; never saw so many people.
This problem is pervasive in our society where we have so many choices and temptations, and I think virtually everyone (even us financial professionals) is guilty of it.
Discipline and self-control are unsustainable because in most of our environments there are too many distractions, too many things other people want us to do, too many opportunities and temptations that draw us away from lives that reflect our true values and priorities.