
He combs back his curlicue
and affects a mild-mannered PERSONALITY.
The Big Bang Theory Season 8, Episode 6

I'm just tweaking her PERSONALITY,
sanding off the rough edges, if you will.
The Big Bang Theory Season 3, Episode 3

My boyfriend has
an off-putting PERSONALITY, too.
The Big Bang Theory Season 7, Episode 13

You are, but you've got
kind of a big PERSONALITY...
The Big Bang Theory Season 6, Episode 24

...at the time of your birth
somehow affects your PERSONALITY.
The Big Bang Theory Season 1, Episode 1