"Ha ha!" was Gabe's triumphant sound as more sandwich appeared on his plate. "And I'll have you know that face mayo is in right now," he added, making no move to clean his face, instead just grinning at her.
When she started talking about some guy, Gabe narrowed his eyes slightly in curiosity, wondering what he was reading in her tone there - if it was actually anything at all. "So there's a guy, huh?"
There is was: the little smile and the playful tone that said this was about to turn into some epic teasing if it went the right way.