Well, how could I say no? It was all so wildly romantic.

5 seconds sound clip from the Breakfast at Tiffany's movie soundboard.

You can hear this line at 00:12:13 in the Blu-ray version of the movie.

Quote context

[...]

- A girl can do as well as that on trips to the powder room. I mean, any gentleman with the slightest chic will give a girl a $50 bill for the powder room.

- And I always ask for cab fare, too. That's another $50.

- But then he told me his client was Sally Tomato.

- He said dear old Sally had seen me at Elmo's or somewhere, and had admired me à la distance.

- So wouldn't it be a good deed if I were to visit him once a week?

- Well, how could I say no? It was all so wildly romantic.

- How do I look?

- Very good. I must say I'm amazed.

- You were a darling to help, I could never have done it without you.

- Bag.

- Call me anytime. I'm just upstairs, or I will be as soon as I get moved in.

[...]