There are some great books to help you focus on your own healing and your own self esteem.
Two of my current favourites are both oldies but goodies
Louise Hay - You can heal your life; and Abby Seixas - Finding the Deep River Within: A Woman's Guide to Recovering Balance and Meaning in Everyday Life
I've got more (biggest mob more) if you want, but those two would be a good start.
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Never make someone a priority, who makes you an option.