Rajesh Koothrappali: You can’t just fund your own project.

Leonard Hofstadter: Uh, it turns out I can, and I did.

Sheldon Cooper: Interesting. What about not wanting everybody to be mad at you?

Leonard Hofstadter: Well, I realized that, no matter what decision I made, people were gonna be mad at me. And this way, I get a laser.

Sheldon Cooper: That is the most selfish thing you’ve ever done. I’m proud of you.

Leonard Hofstadter: And I don’t care.

Sheldon Cooper: Yes, you do.

Leonard Hofstadter: Yeah, I do.

From The Big Bang Theory – Season 12 Episode 7: ‘The Grant Allocation Derivation’ (12×07)