New Relationship Energy
New Relationship Energy is when a person feels elated or infatuated when in the early stages of a relationship.
Also known as NRE.
NRE is caused by hormonal changes during a new relationship that is likely to have an evolutionary purpose. In humanity's early stages, pair bonded partners are more likely to survive and successfully raise offspring.
NRE can cause issues in polyamorous relationships where established partners can feel as though their relationship isn't exciting anymore.
NRE can evolve into .