
Because if all guys were like me,
the HUMAN race couldn't survive.
The Big Bang Theory Season 1, Episode 6

there's another HUMAN being.
The Big Bang Theory Season 5, Episode 21

CASSEL: It's the same
for a HUMAN, you know?
Westworld Season 3, Episode 8

I'm still HUMAN, Penny.
The Big Bang Theory Season 9, Episode 23

No, but it is basic HUMAN nature.
The Big Bang Theory Season 9, Episode 8