"But every time I interact with her, there is something quite inspiring," said Kelly. "I imagine the next step will be her walking and talking, and in two months you'll see her walking through the front door of this building."
In a personal interview with ABC News' Diane Sawyer that aired Tuesday night, Kelly opened up about Giffords' recovery and the shooting that injured her and killed six people.
Kelly, who has been photographed by his wife's hospital bed holding her hand, said a habit of hers has convinced him that she recognizes him.
"If I hold her hand, she'll play with my wedding ring," he said. "She'll move it up and down my finger. She'll take it off. ... She'll put it on her own finger. She'll move it to her thumb. And then she can put it back on my finger.
"The reason why I know that that means she recognizes me is because she's done that before. She'll do that if we're sitting in a restaurant. She'll do the same exact movements," he said.
Kelly was struck by Giffords' progress again when "she stuck her hand up on the side of my face" and began giving him a neck massage.
"She spent 10 minutes rubbing my neck and I keep telling her, 'Gabby, you're in the ICU. You know, you don't need to be doing this," he said with a chuckle.
Kelly added, "I'm pretty sure she wouldn't do that to somebody else."