Stop trying to scrub the memories off of your heart. You'll only tear bits and pieces off of yourself and regardless still feel a raw and dull pain in your chest.
Stop crying every night into your pillow and sobbing for him to come back to you. You could bottle up your tears into mason jars and set them on your shelves only to watch the dust of a thousand lies and broken promises settle onto them. He will never come back to dry your tears so stop sobbing hoping it will bring him back.
He left. And he's not coming back. So what are you left with?
You are left with yourself and you have to be okay with this. You have to run your fingers over your stretch marks and say, "I love these so much." You have to look at yourself in the mirror and smile.
You have to open up your window at night and see that even though he left, the stars are still hanging from the sky and even he couldn't tear them out from the fabric of the night.
You have to realize that he is only a boy with a young heart.
You have to understand that your value is measured by your laughter and your faith and your tenacity, and the way you pour sugar into your tea and the way your hair lies on your face when you wake up late on a Saturday morning and the way street lights produce shadows on your face, and the way your laughter cuts through a room. Your value is worth so much more than he could have ever deserved and cannot deteriorate because of someone's decision to leave you because they could not even fathom your worth.
You have to feel pain a thousand times before you can feel a love so deep that it strikes every chord on your heartstrings, so that you fall to your knees in relief and cry with joy because finally you hear music when someone touches your heart and not the harsh sound of glass shattering into a million pieces.