Taking an example from substance abuse withdrawal, that addiction withdrawal makes a person to bear physiological and psychological harm. When it comes to relationship addiction withdrawal, that harm is also borne by the other healthy partner. A person who is someone not having any addictive signs see the addictive partner as insane and immature to carry out the relationship peacefully and happily in the long run . Those who are struggling with this kind of addiction suffer a lot on emotional, cognitive and mental level. They experience all substance abuse symptoms and experience grief and sleeplessness related anxious signs when feel far away from their partner.
The effects of this addiction are on themselves mainly but partners also become a victim to some extent. The addictive partner wants to consume all the time and attention of the other partner and this threatens the partner’s privacy as well as relaxation time for self for the addictive partner. The addictive partner is afraid of change, any kind of change that occurs in their partner or relationship and their routine. Their rigidness creates problem for both of the partners. The addictive partner is very much demanding  and other person may feel incompetent to fulfill the other partner.
Whenever you feel that you are dating with someone who almost always appears out of control in terms of their communication, emotional expression and actions, you may note that they are compulsive about being interacting with you. You might notice that they are not only addictive in relationship but also in terms of eating, working and some other activities. Here we use the term codependency, an addictive partner becomes very dependent on the other person for love and attention. They create a relationship in which there are no clear boundaries .
Remember what are the healthy love signs to escape the addictive love chain. Falling in love is a feels good experience and does the same with the brain that a drug does. It gives energy  and pleasure. An innocent flirting is different than a controlling freaking experience. There are patterns of harmless sexual experiences in healthy love. Healthy love has boundaries, respect for differences and time that other person gives to the other. What a person needs from love is relaxation, a listener and a supporter.