
...who felt so INSECURE, that she lied to him
about finishing community college.
The Big Bang Theory Season 2, Episode 1

But when you're INSECURE,
The Big Bang Theory Season 10, Episode 19

that goes around biting
when she feels INSECURE.
Money Heist Season 1, Episode 8

I can't believe
Leonard would be so INSECURE.
The Big Bang Theory Season 10, Episode 22

...that makes you a little INSECURE.
The Big Bang Theory Season 8, Episode 6