- You're lactose INTOLERANT.
- I don't eat it, I think it's a good idea.
The Big Bang Theory Season 1, Episode 1
I'm lactose INTOLERANT.
The Big Bang Theory Season 3, Episode 13
He can't eat cheesecake.
He's lactose INTOLERANT.
The Big Bang Theory Season 1, Episode 16
- Here. Have some pizza, sweetie.
- Penny, you know I'm lactose INTOLERANT.
The Big Bang Theory Season 3, Episode 6
You know I can't eat butter.
I'm lactose INTOLERANT.
The Big Bang Theory Season 2, Episode 23