well when i fold i forget about what i had and what could have been and i focus on the action between the other players in the hand
it does matter what i would have made because no matter how big the hand might have be, i cant get my cards back so it makes no sense thinking about what could have been
there is always that time when you see the flop and just slap you head and wish you were in the game.
i usually have so many tables open that if i'm not in the hand, i don't really watch the action or see what 'would have happened'
Not if you are a good poker player.
Couldn't have said it better. What could have been doesn't help but knowing how the other players react to each hand certainly does.
One more point, it helps to practice remembering hole cards from the first glance for live games if you can't see them at the virtual table.