It is ingrained pattern of behavior I cannot help or change

 regardless of things I or anyone does the pattern remains the same

revolving around negativity, world disasters, 

says 'we are in big trouble' frequently

listens to news opposite mainstream media which is conspiracy theory articles and claims it is the only true news, the truth

food, diet 

stress relief techniques such as meditation, exercise, relaxation, focusing on something that feels good, gratitude DO NOT WORK with him