Dialogue that just makes you feel...less than adequate.

Professor: (Holding my response to a practice essay question) So what should we do with this?

Me: Excuse me?

Professor: We could blow it up?

Me: Um, yeah we could do that. I am not sure I understand what you mean.

Professor: *sigh* It's OK. Don't feel bad. It is a practice problem and so I have no expectations.

Thanks. I know what I will be doing over the weekend. First final = 2 weeks away.