My mom was always pretty supportive. She saw me do plays and she'd always act out the parts I did. My aunt who played a big part in my life was a little bit more reserved because if they don't see you on TV every week they think you must be starving.
A book is sent out into the world and there is no way of fully anticipating the responses it will elicit. Consider the responses called forth by the Bible Homer Shakespeare - let alone contemporary poetry or a modern novel.