He won't call or even go to coffee with me, he no longer stops after mass to chat. I feel so full of guilt and shame, but more then anything I feel so alone. Rob Dear Rob, My heart goes out to you as in many ways I can relate strongly to your situation. I, too, had more than just a passing interest in a particular person whom I thought liked and cared for me. It is anyone's guess as to why he is avoiding you now that you are Single.
People are very complicated and confusing at times.
You say he is part of your parish. It is always difficult for a Pastor or leader of a group to have and maintain a healthy relationship with someone with whom they have a position of authority. Now that you are single and he is aware of your interest in him, shall we say, romantically, he could be afraid of hurting you or disappointing you and doesn't know how to say his interest is not the same as yours, hence he is avoiding you to keep from hurting you. Of course, that is only making things worse for you. You have done nothing wrong and God is not punishing you.