Theo started a little at the noise Greg made, nodding with a smile at Greg's repetition and then abandoning linear thought for a high little whimper as Greg sucked at his neck, making him shiver with something that wasn't cold. He had the dizzying thought that Greg was trying to suck something out of him, but he wasn't afraid.
"Here?" he asked, reaching to close fingers around Greg's cock and move his hand up, down, up again, in a way he didn't know he knew but remembered all the same. "Like this, lik this, like this?" he asked.