...now you're more MATURE.
The Big Bang Theory Season 8, Episode 20
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
Adults in a MATURE relationship.
The Big Bang Theory Season 8, Episode 6
So you want to seem
MATURE and confident.
The Big Bang Theory Season 12, Episode 12