My advice to you is to block anything that gets you in trouble. Put a shutter in your head so that not a single black thought, poisoning the joy of your day, enters it. Place a filter on your heart that does not let anything tormenting and painful into it. Nothing in the world can hurt you until it is in you. No one can hurt you until you let him do it. Don't think it's that hard. When you get to the point where you literally need to save yourself, you will understand that nothing is easier and more natural than saving your brain and your soul from the poison of this life. Don't expect such a feature. Fill yourself with laughter, kindness, warmth and light. Seize every happy moment and feed yourself with it. The more accumulated joy you have, the more difficult it is to crush it. Take care of yourself.