No. No he is not. He's impatient. You don't just make with the blowjob and then stop and ask if it's okay. If it wasn't okay, Dean would tell him to knock it off. Come ON, Cas. Figure it out!

"I'm not being mean, Cas, I'm just--I will return the favor somehow, okay? Just--" He lifts his hips to help Cas get the jeans down. "Just hurry the hell up."