4-H

There's nothing like the fair. Visitors can gorge on deep-fried Oreos, hot beef sundaes and heaps of cotton candy. There are rides, craft displays and, of course, barns full of animals that nonfarmers rarely get to see. Yet there's one day of the fair that's bittersweet and, for some, downright heart-wrenching.

"Remember, it's Vegas rules, guys. What happens here, stays here," says Alexander Chan to a room full of giggling high school teenagers as he goes over the ground rules for a workshop all about healthy relationships.

Chan's background is in marriage and family therapy. Now he's an educator with 4-H in Prince George's County, Md., where he leads a youth development program, through University of Maryland Extension, to help local teens understand and cultivate positive romantic partnerships.