Remus would argue that he didn't worry all the time, or at least he wouldn't if his friends didn't give him things to always worry about, but even the comment of a 'worrywart' went by without much thought. "Oh," he said quietly as the understanding took place. Well, that was an entirely different discussion and one that he wasn't very keen on having. It meant owning up to his insecurities, something he really didn't want to do, especially in front of Sirius.
"That was nothing," he shrugged, trying to shove it off. But, as always, something wouldn't let it go completely. "I mean you obviously want me now but things change and people...you know. Nothing to really spend too much time thinking about."