Phoebe Bridgers was interviewed with Carmen Maria Machado for Playboy:
Actually, this is a conundrum too: My most literal lyrics sometimes sound like my spookiest. In “Garden Song,” the line “The doctor put her hands over my liver and told me my resentment is getting smaller”—that was a nutritionist in Los Angeles who literally did that to me. My imagination is not as creative as my reality.
The link is NSFW, but it’s a good interview.