"I guess you're right, your parents wouldn't approve of free love like that..."
No, they wouldn't you agree, happy she's starting to see some sense, but sad that you are not going to be getting any of her hot, tight, awesome pussy now. Seeing it right there is really too much!
"It's too bad, though, since I could really use your cock now! And I still wish it was MY cock!"
Sorry, you say, the only acceptable choices are to go without or to get engaged again...