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

Mm, Sheldon, you didn't
have a PERSONALITY;
The Big Bang Theory Season 7, Episode 16

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

It's consistent with
my PERSONALITY.
The Big Bang Theory Season 5, Episode 7

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