It was long ago before you were living.
3 seconds sound clip from the The Year Without a Santa Claus movie soundboard.
You can hear this line at 00:00:25.070 in the Blu-ray version of the movie.
Quote context
[...]
- How do I know so much about Santa? Well, I'm Mrs. Claus.
- It was long ago before you were living.
- Not yet Christmas, but past Thanksgiving, though I can't give you the very date.
- Great North Star, but I'm tired.
- He said.
- Crick in my back. Cold in my nose. Aches in my fingers and all 10 toes.
[...]