Roller coasters can be equal parts fun and stomach-churning, as one 10-year-old recently learned. His face captured the range of human emotions during his first roller coaster ride. And a couple in Indiana had an emotional roller coaster ride, when Austin proposed to his girlfriend at the top of the ride. She decided to take the plunge as the ride itself plunged down a steep slope. It was the last ride of the day, and the first ride of the rest of their lives together.