"Hey, this isn't a joke. I can tell you that for certain. I might make jokes and play with peoples things. But I never joke about things like this."

Tony looks shakes his head.

"I'm the heir to millions of US dollars. What makes you think I wouldn't be suspicious of anyone who just started hitting on me? Or is this because I'm 'Tony Stark' instead of just some Ravenclaw in your dorm? I can't help that, just as much as I can't help how I'm feeling about you."