Just let go! If it's ment to be part of your life it's going to come back to you eventually. But in order to find out, you have to learn to let go. And not just Physically, but also Mentally and on a deeper level.
Just wish them all the best, let yourself feel and go through all the stages of pain, to get to the point where the healing is complete so you know it can't come back to Haunt you or disturbe New and healthier connection that you could attract Just because you've realised you deserve much more than you've received until that point.
One can feel sadness or disappointment, no matter the nature of the relationship that got these feelings to be felt. It can be about a friend who betrayed you or let you down, it can be about a long term love story that ended in disaster, it can be about a short connection, full of passion, that ended abruptly and left you feeling hanging.
These are all life lessons.The messages that come out of these stories are the ones we have to decipher, so we can understand, accept and move on, allow ourselves to meet New people, live New stories, enjoy New projects.
There has to be Hope, that one way or another, the answers one was longing for, are going to find their way back and offer that clouser that ends a past chapter.
On the other hand try not to get stuck.
It's alright to stumble on your Journey to healing, don't be to hard on yourself, be kind and patient with your heart. Show yourself the same understanding that you've put into the people who didn't deserve and everything will be fine in the end.
Someone wise once said that "we are born to help people, and if we can't help them let's at least not Hurt them". I think that this is the intention that we have to bare in mind, "to leave people feeling happier than we found them, to leave every place cleaner than we found it, to leave every project more productive than we found it.If we couldn't uplift something or someone....let's at least try and not pull it down."
It costs nothing to be human and it's never to late to undo a mistake, that once brought Hurt to something or someone, if it offers peace and closure in the end.