How To Respond To Our Inner Critic?
There is no Quranic methodological way of determining such things. If our intuition tells us that something is not right then we have to use our experience as well as reasoning to figure out what.
Sometimes even with experience and reasoning a person still does not feel that satisfaction that he has achieved the right path. For example : How to know if a person deen and dunya is moving in the right direction and on the right path ?