[No kouhai come back senpai notices you! At least, being taller and more agile, he can quickly fall back into step next to him.]

I meant to build it up so I could tease you for longer. Unless you're seriously considering it. I mean, I didn't know you were into guys. I figured you knew I was. That's not the point. Hey, your face turns really red when you're upset, did you know that? I've never seen anyone turn that red before. Is that a redhead thing or just a Colin thing?

[He's trying his best to not sound like a creeper he swears.]