It's pretty brilliant, she is using the mattress for her senior thesis. There is absolutely no way she'll score less than an A or the professor will be marked as a rape apologist.
"So how did you finish your program?"
"I wrote a 300 page dissertation on AIDS-associated viral oncogenesis, how about you?"
"I carried around my mattress."
"So how did you finish your program?"
"I wrote a 300 page dissertation on AIDS-associated viral oncogenesis, how about you?"
"I carried around my mattress."