OPRAH.com shows how connecting with another person promotes happiness.
Jessica Winter writes (excerpt):
In his view, human happiness derives neither from external validation nor solely from within, but from “between”: through the relationships created by love, work, and “something larger than yourself” — whether it’s a religious group, a volunteer organization, or a political campaign.
“If happiness comes from between,” Haidt says, “then oxytocin is the hormone of between. It’s the catalyst that helps bond people together.”