How to Reduce Immense Pain caused by Rejection of a Girl whom you Love, Respect and care, a Serious Question?

sadness takes time to repair,you'll find happiness one day it will come to you,theres not a thing in life you can do to help your self you just carry on in life, you have to accept the rejection and hurt,its the same has losing some one you love whos ped away in time the hurt seems less you'll not forget her