Castiel would always remember his first heat. It was the most embarrassing thing he had ever had to go through. Since he wasn't able to have sex to relieve the pain and suppressants only worked after you're first heat, it was excruciating.

He was thirteen when it happened; Gabriel had woken up and with one sniff of the air quickly jumped into action. They shared a room so he jumped off of his bed and to Castiel's where he shook him awake. Lucifer must have realized the same thing because within minutes he was in the room and carried the omega to the basement and into a cell. The cell was simple filled with a cheap disposable cot with blankets, a sink, and a toilet. He laid Castiel on the cot and left without a word leaving the omega to writhe in pain. He had screamed and desperately tried to make the pain go away. An hour after being in there the omega had attempted to master bate, even though it was a firm rule that he was not allowed to. Gabriel had then come in and cuffed his arm and legs to the bed. He was the boy's only contact when he came to give him food and water as well as allow him a chance to use the bathroom. It had lasted a week and the day it ended Lucifer had given him suppressants which he never forgot to take, sure his heats were still uncomfortable but they were manageable.

When he came to live with Dean, he was told he wouldn't be getting his suppressants anymore and would spend his heats with Dean. Of course Castiel was repulsed by this idea.

Then that day came.

Castiel woke up and there was a dip to his bed. He looked up and Dean was sitting next to him. When he went to sit up he was hit with a pain in his gut. "Ouch dammit what the hell?"

"When was your last heat?" Dean asks calmly but his face was transfixed on Castiel's crouch making him uneasy.

The omega tried to calculate it in his head before he finally paled. "Oh God no please no."

"Shh Cas calm down. Just try and eat and then we'll talk." Dean reached over and helped him sit up.

Castiel picked up the fork and attempted to eat part of a sausage but ended up gagging. "I can't."

"You have to eat something," Dean grabbed the fork with the sausage on it and held it up to his mouth. "Just eat one sausage and drink something. Then we can get to work on making you more comfortable."

"Comfortable? You mean?" Cas looked down at his lap.

"Eat." The alpha held the sausage to his mouth and ignored his question for the moment. Castiel nibbled at it and after a long while he finished it. "Drink." He held the glass of orange juice up to his omega's lips watching as he slowly drank. "There how do you feel?"

"Better," Cas whispers laying down and curling up a little. He felt a hand go through his hair and another snake around his waist. A chest was against his back but Dean had kept his groin away from Castiel.

"Good." Leaning forward he breathed against Cas' neck. "Cas I know you don't want me to touch you and I know I'm going to be taking advantage of you in a vulnerable state but, I feel like it might be a chance for you to realize that I will take care of you. I have to go and do some work and watch Doctor Sexy but I'll be back in a few hours. For obvious reasons until you're over your heat you are to stay in your room." He kissed his cheek, sliding off of the bed and leaving.

Castiel laid in the bed unmoving aside from uncomfortable shifting. He felt the bed sheets under him getting wet and he groaned. "Goddamn fucking alpha taking away my pills."

Dean came back exactly three hours later.

"I hate you," Cas growls at him grabbing at the sheets. "I wouldn't fucking have to go through this if you hadn't decided take away my pills you ass."

"I take it you're not feeling well," Dean asks sitting at the foot of the bed and resting his hand on his calf. "I could help you with that."

Castiel glared at him lifting his head. "Go fuck yourself."

"I'd rather fuck you," he leaned down and pecked Cas lightly on the lips. "But, I'm not going to, not this time." A hand ran down Castiel's leg running over the bulge hidden behind his angel pants.

Castiel's body arched into the touch against his will, moaning. "No don't touch me." Then he reached inside and started to stroke him, Castiel lost all control and his omega took over. "Yes oh God."

"That's it Cas," Dean says with a smile.

The omega didn't take much time to climax under the alpha's touch and when he did his mind began to clear. "You," he sat up and glared at the alpha licking his hand clean. "I hate you!"

"We'll talk again in a few hours when you're horny and then see how you feel about me.

Six days. It took six days and thirty climaxes for him to get over his heat. On the fourth night he had slept in Dean's arms but the next day he had completely rejected him. Dean was completely calm through his omega's mood swings.

The day he came out of it, he was given extra food to make up for not eating much. They went back to their normal routine like nothing had happened and Castiel even allowed him to kiss him a few times throughout the day though he didn't kiss back. It was headway in Dean's eyes so of course he was happy.