Joan Black, 82, watches her granddaughter, Natalie Yoder, 21, light her birthday candles on Sept. 15, 2014, at Black's home in State College. Black's granddaughter visits her weekly to keep her company and help her with chores around the house.

By Jen Hudson

Natalie Yoder and her grandmother, Joan Black, 82, pose for a portrait at Black's house in State College on Sept. 15, 2014 for Yoder's 21st birthday. Black prepared lunch for Yoder and two of her closest friends to celebrate the big day.

By Jen Hudson