A person who suffers from obsessive thoughts almost always behaves the same in such a situation. He is trying to distract from them, switch attention to something else, begins to read a book, watch a movie and so on. Although how correctly this does not give a result. Man is only more confused in such thoughts. Thus, your strength and energy are spent, but this does not bring any result and that means you spend it useless. In fact, everything that is required of you is when you are overcome by intrusive thoughts is just to relax and accept them. Start by stop being afraid of their occurrence. Try to find some advantages in this.