"I'm sure," Steve said while returning the smile, although his had a touch of concern for the other man laced in his. "Take care of yourself. If you need anything, don't hesitate to ask."

While technically he couldn't speak for anyone else, everyone else had always been very helpful and kind from his perspective so he feels confident in throwing it out there.

As Danny walks away, Steve does in fact watch him go. After a couple of steps he continues to head in the direction he was going before he encountered Danny, but also continues to keep an eye on the other man making sure he gets to where he's going. Or at least close enough to it.