Stress is related to overthinking. There is a glitch between the heart and the head. The heart knows the direction, but the head thinks, analysing all the options in to the past connects the dots and will sabotage the new adventures. This stress worry built in the back of scull on the lower side of the scull.
When the heart / soul starts to talk, fear can arise from past events. The solution is to accept those events and after that to not give any attention to past events.