So, I was thinking, what if Cas and Sam were brothers and Gabe and Dean were brothers! Sam being a stupid 14 year old decides to try and start a fight with 18 year old Dean. Dean is stopped by Cas, because he's not gonna let his dumb ass of a brother fight a kid the same age as him, and Dean falls for Cas. Since Cas and Dean start hanging out, Gabe and Sam meet, then those two start to fall for each other. Bonus if Bobby is Sam and Cas' Dad-
