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.
To develop your clairvoyance, you must be able to attain a higher level of consciousness. You need to work on your spirituality and this can be done in several ways. The most common way is through tapping the power of your third eye. Another effective way is through constant meditation.