it seems like when you beg someone to stay and your heart is throbbing and you can barely breath they just walk away like nothing happened...and then when you decide you can finally stop hurting so much and let go, that's when they come back.
This is because only after you decide to let go do they realize that your really care for them. This happened with me. When my wife left me I allowed her to go with very little resistance. Now she comes back sometimes as a good friend.
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