This technique allows you to write a supportive letter for yourself and read it in moments of anxiety or other experiences. Take a pen and paper, then imagine an imaginary friend - wise, loving, empathetic - and write yourself a letter on his behalf. Or write as if you are reaching out to a loved one who is suffering from the same troubles as you. After writing a letter, do not read it immediately, wait for the right moment when you need words of support. You can carry the letter with you on paper or as a photo on your phone. And maybe you will compose several letters;