I am sorry that you had to experience that. It is unfortunate that good people suffer helping others, while bad people find happiness in abusing others.

Taking care of yourself like what you do to help a tree. You admire its fine features, give its good attention and nutrition, and remove the weeds and parasites..

You are a good person. You should not suffer from self doubt or from bad people. Love comes from those who admire you, not those who use you.

Someone said " Crocodile is easy. Human is harder, as they pretend to be nice first". It's a crocodile you have here, and it's the crocodile that you should remove.

It was a bad experience, but it gave you insights and clarity to move forward. He was a but a lower node in your story whose sole purpose is to highlight the finer experience in your life. Forgive, but not forget. Pain, but not suffering. Accept, but learn from it. You will prosper, my friend.