"Pair bonding" refers to the strong emotional connection or bond that forms between two individuals. It commonly describes a committed and lasting relationship between a pair of animals, such as mates or parents and offspring. Full definition
For a more relaxed look, pair Bond with loose fit straight leg denim and an oversized knit. (kurtgeiger.com)
Young showed that oxytocin, a hormone previously linked mostly with labor and nursing, is crucial to the formation of pair bonds as well as bonds between parents and infants. (scientificamerican.com)
The idea here is that we are wired to pair bond as infants and again as adults. (michaelregier.com)