“So, what are the fears of joining a group? Following is a brief list that other writers have claimed.

Fear of rejection
Fear of not being good enough
Fear of not knowing how (to critique, to [work] in a group, etc.)
Fear of intimacy
Fear of commitment
Fear of being disillusioned
Fear of finding out I can’t write
Fear of finding out how good I am (not very many actually voice this fear, real as it might be)
Fear of failure
Fear of success
Fear of completing something
Fear of not completing something
Fear of being judged
Fear of being found out
Fear of reliving an uncomfortable or difficult experience
Fear of looking foolish
Fear that I’ll lose my voice (and I’ll [do] like everybody else in the group)
Fear that I’ll find out I don’t have anything original to say”

Judy Reeves — Writing Alone, Writing Together