This quote expresses an intense and overwhelming feeling of attachment and infatuation towards someone. When someone says, "I'm addicted to you insanely addicted," they mean that their emotions and attraction towards that person are so strong that it feels like an addiction, something they can't easily control or let go of.
It's like being captivated by someone's presence, thoughts, and actions to the point where they become the center of your world. This level of addiction implies a deep emotional connection and a strong desire to be close to the person you're addressing.
In simple terms, this quote conveys a powerful message of love and devotion. It shows that sometimes, our feelings for someone can be so intense that they feel irresistible and all-consuming, much like an addiction that you can't break free from. It's a poetic way of expressing the depth of one's emotions in a romantic context.