At least now she's pretty close to being able to do it herself. There's an end in sight for it.

"Oh, and I had a thought," he says, as he grabs his crutch and hooks it over his arm, so he'll have it even as he wheels her around. "If the weather's nice, how about we go have a picnic in the park tomorrow? You know, we've been cooped up for a while, and it would probably good for us to get some sunlight and fresh air."

His hour in the park earlier had helped him, and made him realise how much he was missing it. It might help with the trapped and restless feelings. And she's strong enough now that it shouldn't be a problem.