You CAN do this, it is worth the effort on your part no matter the eventual outcome.
People come through this better, more capable of being in a strong and loving relationship.
You will learn things about yourself that you never knew, become proud of yourself and become capable of things beyond your current means.
This is far from easy, and there is no quick fix for this, and you will come to learn that the only person you can control is you, but with that control you become so much more attractive.
Having come through this my marriage is better than it ever was, but it was far from easy, it was one of the hardest things I have ever done... and I have done many hard things.
Experience is a brutal teacher, but you learn. My God, do you learn. - C.S. Lewis
Life is usually all about how you handle Plan B. - Jack3Beans
Listen without defending; Speak without offending - FaithinAK