The correct answer to this open question is the following.
The ways in which destructive relationships influence your well-being as opposed to constructive relationships are the following.
Destructive relationships can cause a lot of suffering and suffering directly affects your body and mind. Destructive relationships generate stress that also harms your body. Destructive relationships affect your feelings and emotions. Indeed, they can generate an emotional breakdown. Destructive relationships are based on drama, and drama can catch you in a downward spiral of tears, tension, revenge, and resentment. If you having a destructive relationship, end it now.
Constructive relations are the opposite. They stimulate you. They support you in good times and bad times. Constructive relations are healthy, much needed, and are based on mutual trust, respect, and tolerance.