Ed's blessing is unspoken. He stopped Riddler blowing it all up. He's there now, if not active, or trying to share, he's watching and aware, which is about all his anxiety can deal with. But he's dealing with it to do that much.

Riddler steps closer, backing Oswald towards the bed. "It is warm. You should strip down, it can't be helping that you have all these layers on still." Riddler's fingers move to start undoing buttons.