The last time, and the only other time they had slept on the same surface had not prepared Dean for this. This time they were intentionally climbing in bed together, while not under the circumstances he hoped, everything felt heavy. Cas went to the bathroom to change into pajamas. Dean considered pajamas, but he wanted blankets and the house was hot as hell. He climbed under his blanket on the side of the bed furthest from the door and got lost in the ceiling and tried not to think.
Castiel padded to his side of the bed. He wore a Goo Goo Dolls T-shirt that was a size too big, and flannel pants that were a bit too long, the man ran his hand through his already disheveled hair, turned the light off, and flopped into bed. Dean lay curled on his side facing Cas who was laying on his stomach, mouth agape, already fast asleep. However creepy Dean felt himself being, he couldn't help watching him breathe, he also couldn't help how hard he was, and how painful it was quickly becoming. Dean headed to the bathroom for a shower. Once there he decided a bath would be totally awesome. He ran the bath, seeing Cas' soap on the counter, he flipped the lid and breathed deep, feeling... Fine... They were butterflies, in the pit if his stomach. He added a healthy amount of the soap to the running water, feeling like a 5 year-old when the bubbles began to form, making a mountain range on the top of the water; a Cas scented mountain range, he was a creep... So what.
He had to admit, it was pretty nice; being surrounded by at least the scent of Castiel, knowing he was in the next room. Dean pulled off his underwear, freeing his impressive (if he did say so himself) erection. He stepped into the bath, pausing for a moment to let the shivers pass and adjust to the heat. Dean got the important things over with, if he was going to get off in the bath, sure he'd need to rinse, but he wanted to be at a general state of clean by that point so he could go to sleep. Dean had forgotten to get his soap, and noticed that Castiel's toiletries were right there, so why not. He never considered himself a "shampoo and conditioner" kind of guy, but they were there, so why not. He found that he quite liked the smell of lemongrass, and he'd definitely have to get closer to Cas' hair to smell it on him. The thought of getting that close to the man reminded Dean of his previous need. He leaned back, getting a good scene set in his mind, thinking about that muscular frame over his own. Call Dean sappy, but the thought of Castiel looking him in the eyes, pupils blown wide with lust, but kissing him soft and sweet with real intention, that's what got Dean there. With one hand Dean cradled his balls, slipping one finger back (benefits of a bath) easily working his ass. With his other hand he worked his cock slowly, starting at the base, thinking about what the look on Cas' face would be if Dean worked his cock like this. Dean thought about how absolutely perfect Cas would look as he forgot everything but what Dean was doing to him, as he gasped and moaned with every stroke. Dean should have cooled it a little, he would consider later, he wasn't aware of the noises he was making, or the volume. He moved focus to his head, rubbing fast, arching his back and thrusting up into his hand.