The mind is powerful and despite what the external factors TRY to dictate, you are in control of your thoughts and actions. Practice exercising it through meditation. Refuel it with proper rest and nutrition that supports maximum function.
Tidbit – Neuroscientists have discovered that repetitive thoughts form neural pathways as neurons that fire together get wired together. The more a particular thought or belief is activated and reinforced, the stronger these neural pathways become and the more automatically they become our “go to” pattern of perceiving. (Huffington Post-Do You Know How Powerful Your Thoughts Are?)
Peace, love, & light.