"Maybe I will never get as good an opportunity" is not a good attitude for life. I've stressed that way about every major life or career move I've made, and in

"Maybe I will never get as good an opportunity" is not a good attitude for life. I've stressed that way about every major life or career move I've made, and in hindsight I've always wished I had made the move sooner. Just be honest with your boss and then take the plunge.