Johnnie Norton, 29, of Layton, is a roller-coaster enthusiast who has ridden the ups and downs of 87 of America's coasters. Norton, shown above in the orange shirt, rides Colossus the Fire Dragon at Lagoon earlier this month. Norton's obsession is chronicled in the latest installment of The Salt Lake Tribune's "I Love" video series, which features people with a passion. Email your suggestions about people we could feature to photo@sltrib.com with the subject line "I Love."