Neither did he, but at the moment, he didn't feel like questioning it. One of his oldest and dearest friends was back from the dead. He was going to enjoy that before he started asking the questions of 'why' and 'how'.

When she stumbled, he started across the floor of the medbay, slowing down when it became obvious she wasn't going to fall. It didn't stop him from putting an arm on hers to support her.

"Are you alright?" The concern on his face was plain to see. She's going to have to forgive him for worrying over her like a mother hen considering the circumstances.