While everyone overthinks certain situations once in a while, some people are plagued with a constant barrage of thoughts all the time.
Chronic overthinkers rehash conversations they had yesterday, second-guess every decision they make, and imagine disastrous outcomes all day every day.
Thinking too much about something often involves more than words — overthinkers conjure up disastrous images too. Their minds resemble a movie where they imagine their car going off the road or they replay distressing events over and over again.