Ryuutaro returned the laughter with a light chuckle of his own.
"I was about to say the very same thing." Naturally without the 'as hell', but that was so obvious, it was not worth mentioning.

But despite those words and the very obvious necessity Ryuutaro could not gather the energy to get up just yet. Instead he moved a little bit closer to Hayato, smiling quietly.
He had to admit that Hayato had succeeded to make him want to stay in bed longer.