Get rid of habitual negative self talk and negative unhelpful emotions like worry, pessimism, sadness and anxiety.
Identify these and consciously tell them to Fuck off! Create space in your mind and separation between these and your self.
These. Are. Not. You. They are terrible habits that were probably useful at some point in your life. Now it is time to get them off your mind, let them rest, let them be, and let positivity back into your life.