Pair Bonding
The specific definition of a pair bond is mutual and endurable preference between an adult male and a female.
Pair bonding is a developed characteristic and can play a major role in reproduction, as well as in people and species survival.
People often get confused between pair bond and marriage. But they are different things.
There are two types of pair bonds in a biological sense : one is social pair bond another is sexual pair bond.
The social pair bond is a powerful behavioral and psychological connection between two different persons which vary in physiological and emotional contexts from common friendships or other acquaintance relationships.
When two individuals are attracted towards each other on strong sexual components that behavior is called sexual bond. In sexual pair bond two individual prefer to have sex with each other than any other option.