1. Not having taken enough photos with the people you love. 2. Wasting years worrying about what others think of you. 3. Letting fear keep you from chasing your dreams. 4. Not telling anyone how much he or she means to you. 5. Staying in a toxic relationship for too long. 6. Taking your parents' time for granted. 7. Waiting for the "perfect moment" that never comes. 8. Not putting yourself first when you should.Source: https://humanssciencepsychology.quor...regret-one-day