You've always kind of liked Tech, and you enjoyed flirting with him, even if you thought he was too dense. Whenever he's around, you always find a chance to flirt. So when you're working on something in the Marauder and Tech comes in. You took that as a chance to flirt with him:

"Tech, you’re distracting me. How am I supposed to focus when you’re around?"

Tech who looked genuinely puzzled replied, "Distractions can be detrimental to concentration. Should I move farther away to prevent further distractions?"