PREVIEW: Sami hides the truth from Brandon -- and he rejects her ultimatum; Belle helps Cassie & Rex move back to school. SUMMARY: At Brandon's loft, Sami and Brandon are cuddled up on the couch. She tells Brandon that she is not going to hold a grudge about him and Lexie sleeping together. He is happy to hear this, but tells her he wants to forget it. Sami explains that she can't forget and wonders why it happened in the first place. Brandon says they were just two friends trying to comfort each other, and he tells her that he never loved Lexie. He also tells her that he's sorry he didn't tell her earlier because he values honesty so much. He tells Sami this is it - no more secrets from now on. They hug and agree. Later, they toast each another, and they kiss. Sami then remembers changing the paternity test results and starts to feels guilty. She tells Brandon that she hates this feeling - that she is so jealous of Lexie. Brandon assures her that nothing will come between the t