Hi Bella-nora... I really enjoyed reading this. I agree, it does hurt...we all know that sort of pain. Still life goes on and must remember we hold the key to our hearts. I am unsure "if the heart we give" means your heart or the other's heart. But if it is yours...you must never think it isn't good enough. It's the best you've got and the one that hurts it is the one that's not good enough.
I believe in loving ourselves first as our main priority...because we cannot give what we do not have. Ergo... when our heart is full of self-love (without being egotistic of course) ... none can hurt us so much...because our hearts are full of love to start with. And if we look at it (separation) as a chance for something better to come rather than having lost or rejected... it can help take away the hurting and self-pity