getting over an ex

this hasn't been easy for me and I've been trying my best to stay busy. It's been almost three months now, my nightly crying and staying up of all hours wondering what happened finally stopped. I am feeling and becoming myself again. I think my biggest struggle is maybe I'm really not enough for someone. I was just with someone who thought the world of me and "wanted to give me an ending most girls don't receive" he thought he could never be one in a million with anyone like his parents until me. I mean he was very contradicting day to day when we started reaching our almost one year mark. He always believed relationships were stupid and dumb. So maybe it really was just the wrong person. Anyhow I'm here to ask what you guys do/did after a breakup to help you remember your self worth on those very low and sad days.