Who said "I'm interested in the psychology of why we do things."?

This quote is attributed to Lorde.

I'm interested in the psychology of why we do things. - Lorde

"I'm interested in the psychology of why we do things."

Lorde

Alternative Pop Singer New Zealand Born 1996 (age 30)

"I'm kind of crazy about the idea of being alone with myself."

"Just be careful what you wish for, that's all."

"Your life is a lot better when you just don't care what everyone thinks."

"I think people just want to feel less alone."