The second method of working with chaos is using poison as medicine. We can use difficult situations—poison—as fuel for waking up. In general, this idea is introduced to us with tonglen. When anything difficult arises—any kind of conflict, any notion of unworthiness, anything that feels distasteful, embarrassing, or painful—instead of trying to get rid of it, we breathe it in. The three poisons are passion (this includes craving or addiction), aggression, and ignorance (which includes denial or the tendency to shut down and close out).