You tell Carmen you're sorry

"Sorry? Is that all you can say?" Carmen yells at you angrily. "Take me home!"
she crosses her arm, and refuses to speak to you.

...

You take her home, without a word. The next day, she dumps you. Although if it
just ended there, it would not have been so bad. However, you find out a week
later that she decides to date someone else. Rumors abound, that the new guy
she started dating, managed to get into her panties. Although, you do not pay
much attention to this.

...

Later the next week, you get an email from Carmen depicting photos of her and
her new boyfriend in depraved acts of lust. It seems like the rumors were true,
afterall.

You failed at getting her virginity, and have subsequently lost all chances of doing so.