I wish I could take back the biggest mistake of my life, getting married.
why you think like  this? regret is a negative conscious and emotional reaction
Regret
Regret
Regret is a negative conscious and emotional reaction to an undesirable situation. 
Regret is related to perceived opportunity. Its intensity varies over time after the decision, in regard to action versus inaction, and in regard to self-control at a particular age. The self-recrimination which comes with regret is thought to spur corrective action and adaptation. 
In Western societies adults have the highest regrets regarding choices of their education. 
Definition.
Regret has been defined by psychologists in the late 1990s as a "
I was engaged to a woman who I never did marry. Not doing that [tour] was the biggest mistake of my life because I think "Wow, I could have exhausted my creative potential into the band." I'd like to think we would have moved into a punk/jazz direction, like "Tonyage". I guess most people say they have no regrets in life. Yes, I still do regret that. I will always regret that. It was my insecurities. To go on the road