When people fall in love, beautiful arcs of rose light can be seen between their hearts, and a beautiful rose colour is added to the normal golden pulsations of their energy.
When people form relationships with each other, they grow cords out of the chakras that connect them. These cords exist on many levels of the auric field.
The longer and deeper the relationship, the more cords and the stronger they are.
When relationships end, those cords are torn, sometimes causing a great deal of pain.
The period of "getting over" a relationship is usually a period of disconnecting those cords rerouting them within the self.