Detatching is hard. We all know that. I think it takes discipline...a commitment. Fact is, there ARE people who can walk away from us, and when they do, we should let them walk. As much as it hurts, we should let them walk.
"Always go straight forward, and if you meet the devil, cut him in two and go between the pieces." - William Sturgis, clipper ship captain, 1830's.