How do the three young people turn out?

Polly got into the habit of speaking politely to people, although every once in a while she still spoke sharply to people who particularly irritated her. Rowena started spending more time with Sam, holding hands with him and stitching him a quilt. Adam's family's farm, meanwhile, was never any good as farmland once the water all went away, but it turns out that Adam did genuinely have the gift for dowsing and went into a very successful business with Uncle Poot. The money he made, Stew Meat comments, helped pay for a new farm.