Wounded U.S. Rep. Gabrielle Giffords (D-Ariz.) is recovering rapidly, according to a Feb. 9 update from her husband, NASA astronaut Mark Kelly.

“It is hard to believe that only one month has passed since Gabrielle was shot,” Kelly wrote on Facebook. “The doctors say she is recovering at lightning speed considering her injury but they aren’t kidding when they say this is a marathon process. There are encouraging signs everyday though.”

Giffords is undergoing rehabilitation in Houston after being shot in the head during a constituent meeting outside a Tucson, Ariz., supermarket Jan 8. The attack killed six and injured 13.

Kelly announced only recently that he had decided to resume training for his scheduled launch on Space Shuttle Endeavour April 19. Those plans had been put on hold following the shooting, but on Feb. 7 he resumed training full-time.

Kelly said his decision was based in part on his wife’s progress in recovery.

“Gabby’s appetite is back and — even though it’s hospital food — she’s enjoying three meals a day,” he wrote.

In fact, she has reached the point where she verbally asked for toast with breakfast Feb. 7, the news site Politico reported.