"By-the-book," Rico echoes thoughtfully, rolling the phrase around in his mouth. He stands there, stock still, and there's an uncomfortably long silence before his mouth curves into a sterile smile, no trace of mockery or wickedness in it. "I see."

His smile stretches into a grin barely any more natural, and steps back. After a second, he turns his back on Garrus and strides off through the Hangar in the direction of their ship, fists jauntily swinging by his side.

"Come on, Archangel," he calls out over his shoulder like he's beckoning a dog. "And so long as you stay in line too."