- You know I can't stay with you.
- Why not? I love you.

6 seconds sound clip from the Groundhog Day movie soundboard.

You can hear this line at 00:54:32.778 in the Blu-ray version of the movie.

Quote context

[...]

- Rocky road?

- I love rocky road.

- Yeah, I thought so.

- You have to stay.

- Oh, no, really, Phil, I'm tired. We can see each other tomorrow.

- No, tonight. It's gotta be tonight.

- No, Phil, really.

- Come on, just stay for a while and if you like it, stay for a while longer. And if you like that, stay for a while longer.

- Let's not spoil it, okay?

- We're not spoiling it. I don't want to spoil it either.

- You know I can't stay with you.

- Why not? I love you.

- You love me?

- I love you.

- You don't even know me.

- Oh, I know you. I know you.

- Oh, no. I can't believe I fell for this! This whole day has just been one long setup.

- No, it hasn't.

- And I ate fudge. Yuck!

- No white chocolate, no fudge.

- What are you doing? Are you making some kind of list or something? Did you call up my friends, and ask them what I like and what I don't like?

- No.

[...]