there's a technique where
I can take a lock of your HAIR,
The Big Bang Theory Season 7, Episode 7
The majority
of people have dark HAIR.
The Big Bang Theory Season 7, Episode 21
...and you're in there
spending an hour on your HAIR.
The Big Bang Theory Season 8, Episode 9
Your HAIR is different. You changed your HAIR.
I can't take this. I'm out.
The Big Bang Theory Season 8, Episode 1
She brushes her HAIR back, I brush mine.
She shrugs, I shrug.
The Big Bang Theory Season 1, Episode 6