https://www.pornicom.com/videos/2885312/a-fifty-percent-allocation-to-the-practice-of-partner-exchange-suffices/
A fifty percent allocation to the practice of partner exchange suffices. - pornicom.com
For spousal exchange, settling on half the potential is sufficient.
https://isfitzhappy.podbean.com/e/9/
Ep. 009 - Ch. 9 Assassin's Apprentice - Fat Suffices | Is Fitz Happy?
Fitz finally eats, saves a dog, and becomes a dream seer all in the space of an hour. Along with some discussion on the Fool's origin and about Chade's drug...