I don't like lying to my girlfriend. Serena has a right to know ...
Dan: [on phone, walking away] I don't like lying to my girlfriend. Serena has a right to know what's going on.
Isabel: Oh my god, we have to tell Serena.
Nelly: Tell her what? We don't know what he's lying about.
Penelope: Why are you talking? Last I checked you were still on probation.