I can't believe
Leonard would be so INSECURE.
The Big Bang Theory Season 10, Episode 22
I can't believe you'd say that. You know
how INSECURE I am about my insecurities.
The Big Bang Theory Season 8, Episode 6
but whenever you're between projects
you tend to get a little INSECURE.
The Big Bang Theory Season 10, Episode 23
Look, your whole sweet,
INSECURE thing is cute,
The Big Bang Theory Season 12, Episode 3
...who felt so INSECURE, that she lied to him
about finishing community college.
The Big Bang Theory Season 2, Episode 1