Every gift is a demand, usually for love

--- unknown. I saw it in a piece by Martin Geddes where he said,

As a wise person once told me, “every gift is a demand, usually for love”. 

He also tweeted it a couple of times:

second in January 2015: "@nntaleb "Every gift is a demand, usually for love", so a wise person once told me."

first in May 2014: "@NurtureGirl Every gift is a demand, usually for love... Sayeth a friend's therapist."