Welcome to Psych Central (PC) maggie. Sorry to hear you are scared of being left. This can really make maintaining relationships difficult. Many people here at PC have challenges so they understand how difficult that can be.
Some people at PC will find a therapist will help them sort out the roots of their life. Some people use the forums and chat as a way to express their inner turmoil and find people of like mind.
There are articles that go into more detail about coping
http://www.psychcentral.com
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or open chat.
Please feel free to private message any of the Community Liaisons by left clicking on the name in blue to the left of their post) for questions or just to share.