Such a dream allows us to recognize and acknowledge obsessive behaviour in ourselves or others. We may be subconsciously aware or have an anxiety that someone or something is taking us over.

To be addicted to someone is to have abdicated responsibility for ourselves.

To be addicted to a substance such as tobacco, alcohol or drugs in a dream suggests an inability to relate properly to the world we live in and that we cannot function without some sort of a prop or psychological crutch.