Often lots of people's third eye are not open because they are blocked. The third eye is a sixth chakra but connected to the first, second and third chakra's and blockages in this lower chakra's will also cause a blockage in the sixth. Oftentimes, the cause of blockages are fear and disbelief, though Tibetans and Indian yogis believe third eye is blocked for past life karma . Some people refuse to believe that they are blessed with a sixth sense while others are anxious of the images they might see once they have opened theirs.
When someone lacks self-respect, they live their life miserably. They shoulder the burdens of regret, shame, loathing and blame. They are prone to engaging themselves to self-destructive behavior because they have little value for themselves.