For Sirius that was a bit -- out of the blue. He, of course, knew that but he wasn't sure why Remus was reaffirming it. He couldn't have seen his Mum's letter, he'd opened it in a manner to ensure none of the others could see it and he'd hexed that entry of his. He'd made sure it was private three times. Maybe he figured he was hiding something other than being tired as an excuse to be grumpy which - if he were going to be perfectly honest, he was.
"Not much of a talker, you know." he offered with a small crooked smile, dipping his head down once more to press another kiss to his nose this time. "Mm-but I'll keep that in mind. --- Where'd that come from?"