As far as he's concerned, that's an answer. And for the first time since that ill-considered kiss (had it really been considered? that's a very charitable way of putting it), Clark forces the issue.

He opens the door, walks in, and leans down to put his hand to Bruce's back, rubbing up and down.

He's here. He's not going anywhere. He loves you, Bruce. And he is so so sorry that you've had to go through this alone.