Her quarters provide space to relax and watch television, and she has privacy from Barnes, his wife, their 3-year-old son, six cats and a Labrador retriever mix, Barnes said.
"We're not putting her in a box," he said. "She likes her independence."
Roulley also enjoys spending time with her grandson, Ethan, and takes comfort knowing she can depend on her daughter Leanne to take her shopping or to the doctor, Barnes said.
There's just one downside, Barnes joked: "I've got my mother-in-law living with me."