Required Watching: "Nuts!" (2016)
I know what you're thinking, and are absolutely correct: this is about goat balls. Specifically, about Dr. John R. Brinkley, who in the 1910s developed a cure for impotence by suturing goat testicles into scrotums. He claimed to have done this thousands of times, which is at least partially supported by the fact that he made millions off of it.
...that when you spend time helping the truly broken—the ones who require more patience than seems reasonable—you walk away with two revelations: how much of yourself still works, and how vital the fragile thread of kindness is that holds people together.