It isn’t easy to move on after a painful loss, but it’s essential. During an appearance on “The Paul Finebaum Show,” LSU head coach Brian Kelly explained how his team is putting their 27-20 loss to USC in the rearview mirror. “You got to move quickly, right? We’re already into our Tuesday preparation,” Kelly said. “Immediately, you address what do we do really well? I think our preparation was outstanding. I wanted to let them know that we had some great effort out there. Our guys played with great effort, flying around, enthusiastic about playing. CLICK HERE to go to PrizePicks and use code O…