Returning Curses + Cleaning Working on your Aura and Chakras (generic one minimum) and Aura of Protection are obligatory. Minimum once daily, better if done each Morning - Midday - Night.
Then if you need more, morning and night affirmations, extended meditation and forcing your mind onto the positives. You declare war onto the negative things that pop within, but this takes experience in knowing what is negative and it is a process therefore. Each process will create you immune to bullshit in time.
In periods of distress, minimum 10 - 18 - 50 days of amplified effort doing the above, then you can relax a little bit but still doing it every day. If you fail the continuous streak, compensate the next day and continue no matter what.
Don't think about it as well. Just simply don't care, nothing can happen to you realistically. Do not become obsessive to any extreme level or with a lot of internal panic that you need this, because that is only fear controlling you. Maintain at all times control and logic above all.
The Protection and Cleaning workings need to be done on an empty stomach.