Nothing better than Dean calling Sam “Sammy”. Sam may have found it to be an annoying nickname growing up but I think after everything they’ve been through the years, it’s almost a welcome relief for Sam to hear Dean calling him that. Because it’s one of the ways Dean shows his love for Sam. The person he bought up and looked after his whole life, his whole world.
What do Sams old college friends even think happened to him? I mean he went on a road trip with his brother after his girlfriend died and then like 5 years later he’s a serial shooter on the news that died. twice.