If I was you, I'd find something, anything that would take my mind off him. It's a lost cause. He broke up with you and he found someone else. Nothing you can do will change anything for him. Accept what is and give it your darndest to move on.
The way I look at things, if someone doesn't want to be with me, why should I want to be with them? Why want to do him any favors? He has to learn the hard way... like all of us.
What's given freely from the heart is ever so much better than what is taken or forced. Let him go!
<font color=blue>"Our doubts are traitors and make us lose the good we oft might win by fearing to attempt" --Shakespeare</font color=blue>
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.