
I mean, we spent the whole
night trying to be MATURE,
The Big Bang Theory Season 7, Episode 14

Very MATURE.
You're lucky I'm out of Silly String.
The Big Bang Theory Season 6, Episode 22

So you want to seem
MATURE and confident.
The Big Bang Theory Season 12, Episode 12

That would be
the MATURE thing to do.
The Big Bang Theory Season 11, Episode 15

That's very MATURE of you.
The Big Bang Theory Season 9, Episode 13