Sirius grinned for a brief moment against Remus' neck before pressing more, open mouthed kisses to the skin there. Nipping and sucking lightly for a moment before pulling back once more to speak.
"No need" Sirius insisted, "pulling back a little to press a kiss to Remus' shoulder, throat, then mouth. "I'll set the bath up" Sirius murmured, pulling one of the towels up and over Remus to cover him up now that Sirius was on the move. "I'll be right back."