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For her Oprah's Pay It Forward Challenge, Jaime Green of Brighton, Massachusetts, decides to help three single mothers in need. Jaime says Sherry and Ellie—who each live in a local subsidized housing project—cannot afford the expense of getting a driver's license. To help them get on the road, Jaime signs them up for driving lessons and pays for their licenses!

With the remainder of her money, Jaime helps Maria, a single mother who was in a horrible car crash. Since the accident, Maria hasn't been able to work and is struggling to pay her bills. That's where Jaime steps in. Jamie gives Maria money to help with living expenses—and even buys new toys for her two children. She also makes the family a home-cooked meal.

"We are all guilty of closing our eyes at some point and ignoring what is right in front of our faces," Jaime says. "What I have realized is by closing our eyes to these people, in some cases we are leaving them to go hungry, to stay sick and to remain hopeless. We have a responsibility to act, to do what we can. … This has been the most gratifying experience of my life. I only wish I could have done more."