Sam wanted to say 'mark of what?' when Dean cut himself off but he didn't. If it was something that Dean wanted to tell him, he would tell him, if not... well, he wouldn't. "I'm not being melodramatic. I don't care if you replace me or not, it's just - maybe better that you have Adam and the clone so you won't focus so hard on me. I was just making small talk, Dean, and I'm almost at my limit for that. I don't really mind. Except the part about mom."
He kept his eyes on Dean as he stood and the chair flew from under him, giving a small sigh and finishing the rest of his beer.
"See, the part about mom, I didn't expect for that to piss me off, but it kinda does. I've talked to her, a few times. Told her what's wrong with me, stuff like that. Mom might have been through some tough shit, Dean, but until she says she doesn't want to see me... she doesn't belong solely to you. I get the feeling you might want her to and that she's fine with that, but I'll never be completely your Sammy if you don't include me. Grow up, stop throwing tantrums, and either accept this or let me go."
Sam stood up then, a lot more calmly than Dean had and stood next to his chair, lifting his empty beer bottle.
"Can I get another one of these or should I just go?"