To protect yourself from outside influences of any sort start by having a seasalt and bicarbonate of soda bath [ratio 1:1 and try 250g of each as a starting point; you need to stay in that bath at least 20 minutes or longer] Once you have been in this bath at least 20 minutes then visualize a golden ball of energy forming around you which will protect you from any negative influences and fix it in place [tie it to your centre will keep it in place; the shield should be impervious but not inflexible and you might want to intend the shield to transmute any negative energy into positive and feed it back into keeping the shield up]. Then when you are ready get out of the bath and step into the world once more knowing you are safe from all negative influences and see how it goes