Similar concept in poker: Even if you folded a hand that would've worked out, don't regret the fold, if it was the right call given the information you had at t

Similar concept in poker: Even if you folded a hand that would've worked out, don't regret the fold, if it was the right call given the information you had at the time. Basically, it's easy to see what magically perfect decisions you should have made in hindsight and feel a lot of painful regret. But it's silly! Because of course we never have perfect information, and it is inevitable that we will suboptimal choices. So lighten up on yourself. :-)