He wasn't INSANE.
The Big Bang Theory Season 11, Episode 8
Are you INSANE?
The guy was wearing an eye patch.
The Big Bang Theory Season 2, Episode 8
Penny kissing me is not INSANE.
She used to kiss me all the time.
The Big Bang Theory Season 4, Episode 9
"and his INSANE belief
that the Ghost Rider movie
The Big Bang Theory Season 9, Episode 18
I merely offer you a facial expression
that suggests you've gone INSANE.
The Big Bang Theory Season 3, Episode 12