
It's a non-optional SOCIAL convention.
The Big Bang Theory Season 1, Episode 16

I'm curious about
the whole SOCIAL construct.
The Big Bang Theory Season 2, Episode 21

Social convention is stupid.
The Big Bang Theory Season 5, Episode 16

can be painfully oblivious
to SOCIAL cues.
The Big Bang Theory Season 12, Episode 18

Please know that you truly are
a valuable member of our SOCIAL group.
The Big Bang Theory Season 10, Episode 6