Whom to listen to, and whom to avoid?

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Questioner (Q): Pranaam sir, my question is- I have this very low self-image of myself in my mind, and I have this need to seek validation from others all the time and this has been for a long time for almost till whenever I can remember. But, just recently I have been understanding the intensity of the problem and…