Original Commentary

Now, if the situation were different, Sofia defend her right to sleep with whoever she wants. However, that's not an argument she wants to have right now, and that's not really something she's proud of. Now, if that night with Caleb went differently, well, a lot of things would be different - Terrence

Modern Commentary
...he had to get that little dig in at her, calling her loose. Not cool, doc. If you want to have a normal friendship with Sofia, "You're cool even though you're kinda easy" is not the way - Terrence