So you want to seem
MATURE and confident.
The Big Bang Theory Season 12, Episode 12
I'll put that money into a CD,
wait for that CD to MATURE,
The Big Bang Theory Season 11, Episode 9
That's very MATURE of you.
The Big Bang Theory Season 9, Episode 13
Very MATURE.
You're lucky I'm out of Silly String.
The Big Bang Theory Season 6, Episode 22