He wasn't INSANE.
The Big Bang Theory Season 11, Episode 8
That is INSANE.
The Big Bang Theory Season 4, Episode 5
- Excuse me, this whole idea's INSANE.
- Enough debate. I'm going to take action.
The Big Bang Theory Season 2, Episode 3
Penny kissing me is not INSANE.
She used to kiss me all the time.
The Big Bang Theory Season 4, Episode 9
Sheldon, don't take this the wrong way,
but you're INSANE.
The Big Bang Theory Season 2, Episode 4