So you can trust friend of a friend only after awaiting him (with apologies to https://journal.stuffwithstuff.com/2015/02/01/what-color-is-your-function/ https:

So you can trust friend of a friend only after awaiting him (with apologies to https://journal.stuffwithstuff.com/2015/02/01/what-color-is-your-function/ https://journal.stuffwithstuff.com/2015/02/01/what-color-is-...)?