Ben Franklin effect
n.— «Giving can lead to other forms of involvement: Volunteering, advocacy. And vice-versa. It’s called the Ben Franklin Effect. Because Franklin once said: He that has once done you a kindness will be more ready to do you another, than whom you yourself have obliged.”» —“The more they give, the more they love you” by Jeff Brooks Donor Power blog Nov. 2, 2005. (source: Double-Tongued Dictionary)
Further reading
The now-extinct Tocharian languages were spoken in western China in the latter half of the first millennium CE. We have only fragments of written texts in these languages, but here’s part of a Tocharian love poem that conveys emotions that...
A French idiom that means “to sleep in” or “lie around lazily in bed after waking” is faire la grasse matinée, literally to “make the fat morning.” If you fall in love easily, you’re said to have un coeur...