This is a good time to be an author -- so says Alan Rinzler.
Of course, the people who read your book will forget it. Mind Hacks on biblioamnesia.
Philip Isles posted about Rejection and Recovery on Nathan Bransford's blog. If your heart is strong enough to hope for the stars, then it's strong enough to survive, regroup and try again. Don't underestimate your own strength. Or to put it another way, live with courage, not doubt.