What other "known behaviours" are there that must be going on in private groups then? It's not surprising maybe, but it's reasonable to expect people to be app

What other "known behaviours" are there that must be going on in private groups then? It's not surprising maybe, but it's reasonable to expect people to be appalled. Psychologically healthy people don't, I think, spend much time thinking about all the things which would disgust them but are undoubtedly occuring all the time in the world around them.