Although shera has not had any alcohol in 25 years, she will occasionally experience a slight craving. this experience, which is somewhat similar to the cravings she experienced when she drank regularly, is called

It is called spontaneous recovery. Spontaneous recovery is a wonder of learning and memory that was first named and portrayed by Ivan Pavlov in his investigations of traditional molding. In that specific circumstance, it alludes to the re-development of a formerly doused adapted reaction after a deferral.