Dean is sick of yanking Sam's whiny, lame ass out of the fire since, oh, forever!
The hardest part about watching what's to come on Supernatural Season 10 Episode 3 is that what Dean says holds a lot of weight.
Dean has spent an inordinate amount of time saving Sam, and always while Sam complained that he didn't want to be saved. Well, now the shoe is on the other brother and Dean is acting like a drunk -- he's letting it all hang out.
Why have their lives been hell, brainwashed by their "prize" of a father into hunting for the impossible? Because Sam was born!
Get the full gist of the conversation and let me know if you think Dean's words have a ring of truth to them when you watch this sneak peek.
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Carissa Pavlica is the managing editor and a staff writer for TV Fanatic. Follow her on Twitter.