I didn't know what else to say.
1 seconds sound clip from the The Swan Princess movie soundboard.
You can hear this line at 00:12:35.324 in the Blu-ray version of the movie.
Quote context
[...]
- Goodbye.
- Mother.
- Derek.
- All these years of planning... wasted!
- What else is there? She says, is beauty all that matters? And you say, what else is there?
- You should write a book, How to Offend Women in Five Syllables or Less.
- Heh-heh. Your turn, Prince Derek.
- I didn't know what else to say.
- Think. You must see something other than Odette's beauty.
- She's like... You know. And how about...? And then... I mean, right?
- I don't know how to say it. I'll prove it to her. I'll prove my love.
[...]