I've been dead once already. It's very liberating. You should think of it as therapy.
10 seconds sound clip from the Batman (1989) movie soundboard.
You can hear this line at 00:37:24 in the Blu-ray version of the movie.
Quote context
[...]
- Oh. Oh! Thank God you're alive. I heard you'd been...
- Fried?
- You set me up over a woman. A woman! Must be insane.
- Your life won't be worth spit!
- I've been dead once already. It's very liberating. You should think of it as therapy.
- Jack, listen maybe we can cut a deal.
- Jack? Jack is dead, my friend. You can call me Joker. And as you can see, I'm a lot happier.
- Gotham City. Always brings a smile to my face.
[...]