What do y’all think I should do?

I never had a boyfriend before, I have talked to guys but never went farther than that. So at this point of my life I said to myself you don’t need a man to love you, you can love yourself, at I had so much peace until someone appeared he took his time with me, he knew how to read my emotions, I could talk to him about everything, we had this intense desire for each other. But he was forbidden since the beginning we knew, I didn’t want to but eventually I gave in. At the end I left because I did what I thought it was the best decision for both of us, he asked me a couples time if I was leaving because of that, I denied it. I feel so miserable now, I miss him a lot, I texted him the other day and he ignored me. I know that I failed myself and him when I knew we couldn’t have a relationship it hurts so much.
What do y’all think I should do?
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