Why am I hesitant?

Why am I so hesitant to know my purpose?  I like to think it's because I just don't know.  And maybe that's true.  Could it also be because then I would have to do it?  What if it's hard?  What if it sucks?  What if it's something I really don't want to do ?   If it's my purpose, God will have me do it anyway, won't he?  Yes.  yes he will.