Wait a minute. John flicks his eyes between the two of them with a slow frown.

"You're teaming up now? That's not fair!"

It's about as far from fair as you can get! He picks his tea back up and takes a slow sip, levelling thoughtful glower at Ianto.

"You know I could lock you out of our room, right?"

Probably. He's never actually tried to override the locks but he's pretty sure with effort he could.