Destructive relationships influence your well-being negatively in several ways. It could lead to depression and unhealthy eating habits. They also have the tendency to make you start feeling worthless and willingness to indulge in self deprecating behavior.
On the other hand, constructive relationships boost your self esteem and inculcate a happy and self appreciating attitude within yourself. It helps you see the bright side of the world and promotes a healthy appreciating behavior towards yourself and your surroundings.
A constructive relationship always accompanied with open dialogue to express the true feeling or authentic thought with each other. The communication results in mutual understandings and toleration to all parties. Everybody will feel being cared or concerned.
In a destructive relationship, however, some parties might be hindered from giving their thoughts or they might be hurt or insulted for sharing their thought or view. The destructive relationship can always result in distortion of personalities in a victim. The victim will felt being neglected or disrespected and become emotional insecure.