Jake Gyllenhaal talks about having his dog neutered, getting prosthetic testicles for his dog afterwards and what it feels like to have a Spotify artist page.Stream https://bit.ly/3gZJaNySubscribe http://bit.ly/1nwT1aNGet more https://www.nbc.com/the-tonight-showhttp://Twitter.com/JimmyFallonhttps://Facebook.com/JimmyFallonhttps://www.instagram.com/jimmyfallon/http://Twitter.com/FallonTonighthttps://Facebook.com/FallonTonighthttps://www.instagram.com/fallontonight/The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show, including comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags! You'll also find behind the scenes videos and other great web exclusives.#tonightshow #jimmyfallon #fallontonight #JakeGyllenhaal