“Don’t rush yourself. Just take it easy. You have made great progress. Many people like you find it hard to stand up on their own. You’re amazing that you can take a couple of steps. Don’t push yourself too hard. Take care of yourself. Nothing is more important than your health.”

Liberty wheeled him to the lawn and added, “You can try to walk on the grass. Even if you fall, it won’t hurt as much.”

Back at the Lewises’ residence, Duncan usually practiced walking on grass too.

Duncan lifted