If you always dreamed of writing a novel or a memoir, and...

If you always dreamed of writing a novel or a memoir, and you used to love to write, and were pretty good at it, will it break your heart if it turns out you never got around to it? If you wake up one day at eighty, will you feel nonchalant that something always took precedence over a daily commitment to discovering your creative spirit? If not--if this very thought fills you with regret--then what are you waiting for?