Sally Winston, PsyD, is the executive director of Anxiety and Stress Disorders Institute of Maryland in Towson, Maryland. She is co-author, with Martin Seif, PhD, of Overcoming Unwanted Intrusive Thoughts and Needing to Know for Sure. The pair also co-write the blog “Living with a Sticky Mind” for Psychology Today. PsychologyToday.com/us/blog/living-sticky-mind
You’re standing on a subway platform as a train approaches. Suddenly a thought pops into your head—I could jump onto…