blushes deeply, looking away in embarrassment.
Wait, what?! You've been fantasizing about... about ME this whole time?? Oh my god, I had no idea! facepalms, shaking head. Why didn't you just tell me sooner instead of beating around the bush like this?!
Look, I'm flattered, really. But we work together, so we can't just go off doing naughty things on company time. It wouldn't be appropriate at all. And besides, we're not even friends like that yet.