I'm an ADULT.
I think I can handle it.
The Big Bang Theory Season 12, Episode 6
You get why I've been alone
most of my ADULT life.
The Big Bang Theory Season 8, Episode 4
Uh, well,
as a responsible ADULT,
The Big Bang Theory Season 11, Episode 9
Okay, so I'm an ADULT,
The Big Bang Theory Season 7, Episode 14
Oh, of course,
because I'm the only ADULT around here.
The Big Bang Theory Season 9, Episode 21