Things I would qualify as "experiencing a 'past event' in the present" (which breed unhappiness) include regret, remorse, PTSD, etc. E.g. emotions like regret a

Things I would qualify as "experiencing a 'past event' in the present" (which breed unhappiness) include regret, remorse, PTSD, etc. E.g. emotions like regret are always experienced in the present, but that emotion may be about about past event.