Most people, when attending a concert by one of their favorite artists, experience feelings of happiness. When [Tiffany Dunn attended a concert by one of her favorite artists, Justin Timberlake, she experienced feelings of frustration. “My friends were dancing around and having a great time, but I was sitting there really upset because I was thinking, ‘Why am I not up there doing that with him?’” Dunn recalls of the concert she attended in her hometown of Phoenix. Read more on Last.fm