What should one do in their 20s to avoid regrets in their 30s and 40s? What decisions in life and in my studies can I take now at 20 that I will never regret in the future? Originally Posted: https://www.quora.com/What-should-one-do-in-their-20s-to-avoid-regrets-in-their-30s-and-40s Originally Posted On: 2015-04-04