That may not have been the best plan. The journal Social Psychological and Personality Science has published the results of its study on regret. (No, I don't read psychological journals in my spare time. I read about it on Mind Hacks.)
Among their findings was this: "Americans with high levels of education had the most career-related regrets. Apparently, the more education obtained, the more acute may be the sensitivity to aspiration and fulfillment."
Want to know what else people regret? Follow the link above.