There was nothing particularly memorable about that day when it began.
Dean got up, he went through his routine like normal, and headed to class like he would've on any other day of the week.
He didn't take long classes, just one every two hours or so for an hour and a half to fill some time and work slowly towards a degree in criminal justice.
His phone ringing had startled him awake in the middle of a calculus lesson, and the entire class turned to glare, seemingly interested in the boring subject matter.
He shot an apologetic but annoyed look around the room and turned his phone over to see who it was.
He saw his mom's caller ID flashing and he rolled his eyes, immediately declining the call and muting his phone.
Laying his head back down on the table in front of him, he thought angrily back to last September, the last time he spoke to either of his parents.
His parents were both sitting on the couch in front of him, listening intently to his 'announcement' he had nervously brought up during dinner.
"Dean, are you going to tell us or keep us here all night?" Mary spoke up, her hand resting awkwardly on her stomach.
Dean shot a confused look at the hand rubbing her belly and she noticed, quickly pulling it away.
He shook his head and refocused his attention on the now slightly concerned faces in front of him, taking a deep breath in before sealing his fate.
"I'm going away to college," he said softly. "And I'm studying criminal justice."
His dad had started laughing uncontrollably and his mother looked confused, but she nudged John with her elbow and a hint of pride shone in her eyes.
Dean smiled gently at her, which she returned, but John just rolled his eyes. "Come on Dean, what's that going to get you?"
"John. This is what he wants," Mary said quietly.
"What? To put bad guys away? No, we agreed that once he graduated that he would start at the garage, begin to take it over. That's why I agreed to even let him finish high school, that was the deal."
Dean looked at his mother with a pleading look, but she didn't say any more, and he could tell she didn't know who to defend. It had always been like this.
He looked back to his father and sighed, "Dad, I'm doing this. I know I said I'd take over the garage someday, but it's not what I want."
His dad just nodded thoughtfully. "Fine. Whatever. But Dean, we're not paying for it. And if you decide that this meaningless career path is more important than us, than your family, then I don't want to hear from you again, not until you come running back home looking for forgiveness."
He glared at him angrily and then turned it on his mother, who sat there wordlessly, clearly not making any moves to stand up for him.
The expectant look he had given his mother faded, and he looked down in disappointment.
"Alright, then. If that's how it's gonna be, I'll leave. But don't expect me to come back dad, because once I walk out that door, I'm never coming back."
One last glance at his mother showed tears running unstoppably down her cheeks but in his anger he didn't think to stop and give her one last chance.
He just left.
"MR. WINCHESTER!"
Dean's head shot up, and the class was back to glaring, his interruptions making everyone in the room angry.
He sighed and got up, leaving the class and heading back to his apartment. He trudged through the campus, paying no attention to where he was going.
He stopped short in front of his apartment, letting himself in and getting to work on his assignments, letting the time pass by.
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Mary and John, however, had one of the most memorable days of their lives.
John helped Mary out of bed, her nine-month pregnant belly proving difficult to handle.
Unlike most of their friends would've thought, John was strangely supportive of the whole pregnancy.
Mary knew it was losing Dean that fueled his support.
John had put everything he had into Dean taking over his garage, ever since they had him when they were only 15.
They went through their morning as normal, John leaving for the garage at 10.
The baby kicking at lunchtime had Mary smiling. She placed a hand on her stomach and sighed almost regretfully.
She knew John wouldn't let up on this one. Her second son.
John didn't know the gender; Mary had insisted on waiting but ended up calling to find out anyway, wanting to prepare herself for a boy, knowing John wouldn't pass on a second chance to groom another son to take over the garage.
The baby kicked again, harder, and she winced, rubbing the area gently.
"Jesus, you're gonna be a kickboxer, huh, sweetie?"
She smiled but it was quickly replaced by a cry as she felt a contraction start.
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It was three hours later when the baby was born.
John had rushed from the garage and made it just as she was checked into the hospital.
Once it was over, Mary lay in the bed cradling her newborn baby against her chest.
"Oh, I think someone needs a diaper change," Mary announced.
"The baby?" John asked, slightly distracted by his phone.
"No, you," Mary said jokingly.
John smirked and came over to grab Sam. Mary gently passed him off to John who walked to the bathroom with him and disappeared behind the door.
Mary sighed and picked up her phone. Her finger hovered over Dean's name.
She figured since she hadn't talked to him in eight months he might actually pick up for once, unlike all the other times she tried calling.
It rang only twice before it was declined.
She put the phone down in disappointment, expecting nothing else.
Mary decided against calling again, knowing it would end with the same result and break her heart even more.
Dean never found out that he had a little brother.