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The italics are people's thoughts

They left early the next morning not wanting to deal with the weird clerk anymore. They spent most of the morning with no talking while AC/DC blared in the background. Dean and Cas agreed to not talk about last night, and Sam had woken up late so he knew nothing of what happened.

Around one, they stopped in a small town for lunch. Dean pulled into a small hamburger joint, it was something simple and quick. Cas lifted his head and looked around before looking at Dean. Dean just glanced at him before getting out of the car. "Let's go, Cas." Dean said before shutting the door.

Cas switched to his human form and exited the car. They all sat at a small booth. Sam sat across from Dean and Cas. "Ever had a cheeseburger before?" Dean asked Cas.

Cas shook his head. "Good. You're going to love this then." Dean said with a large smirk on his face.

Dean ordered Cas and himself bacon cheeseburgers while Sam ordered a salad.

"How much longer until we get to the city?" Sam asked as their food arrived.

"About six or seven more hours." Dean said before taking a large bite out of his burger.

Cas stared down at his burger unsure if he was allowed to eat it. The food smelled wonderful. "Go on, Cas. Just take a bite." Dean encouraged.

Cas picked up the greasy burger and took a bite out of it, his eyes widening. "Good, huh?" Dean said with his mouth full and a smile on his face.
Cas nodded quickly, taking another bite.

Sam was still dressing his salad while Dean was already half-way done. Dean glanced over at Cas and noticed he was already finished eating. "Holy shit, Cas!" He said surprised.

Cas lowered his head. "I'm sorry. It was just so good." He said in a small tone.

"Aw, don't give me that look. I was just impressed by how fast you ate it." Dean said slightly guilty for making Cas feel bad. "Do you want another one?" He offered. Cas' face lit up and he gave a few short nods.

Sam and Dean finished the rest of their meals quickly and they all set off on their trip once more. Cas stayed in human form, finishing his second burger. "These make me very happy." He stated around a bite of burger. Dean glanced at Cas in the rear-view mirror, a huge grin on his face. When he finished his food Cas settled into his seat and leaned his head against the glass, quickly finding sleep. Sam typed up his research paper for history while Dean sang along to Metallica.
They arrived in New York around midnight. They rented a room in a motel just a few blocks away from the storage unit so they could head there first thing in the morning. Sam was the first to go to sleep while Dean stayed up with Cas watching TV as the two sat beside one another.

"Hey, Cas?" Dean asked turning to his familiar to get his attention. When Cas turned and looked at him Dean proceeded to talk. "Before, back when my father was alive, he told me that if I ever needed to get into this stupid storage locker that I would know what I need to do. But the thing is, I have no idea." Dean admitted. Frustration obvious in his voice.

"I'm sure when we get there you'll know what to do." Cas encouraged him with a smile.

Dean nodded. "I hope you're right." He wished his parents could still be alive, to help him and his bother deal with all the new information that's being thrown at them. He just wanted guidance.

Next morning Dean was the first to wake, he slept restlessly all night and didn't get much sleep. He logged onto the computer while the other two slept, trying to get more information. He searched spell books but didn't get any clear answers. Everything he found was on stupid fairy tales or old myths. He sighed frustrated and turned the laptop off.

Shortly after, Cas woke up his sensitive hearing picking up on Dean's movement. He leapt off the bed and trotted towards Dean. "Hey, Cas." Dean said rubbing the dog's head. Cas' tail wagged happily as he leaned into the touch.

Dean drew his hand back uncomfortably. "Listen. It kinda freaks me out when you do that. You know, with you being human and all."

Cas whined. 'I can't, Dean. Familiars need the physical touch of their witches!' Dean heard through His head in Cas' voice.

Dean stared down at the dog confused. "Cas? I didn't know you could talk in that form too?" He asked raising an eyebrow.

Cas shook his head his ears flopping from side to side. 'I can't. Usually a witch and familiar can hear each other's thoughts so they don't need to be able to talk in this for-'the rambling stopped and Cas looked up at Dean with wide eyes.'Can you hear me?'Cas asked expectantly.

"Yeah." Dean said apprehensively.

'How are you hearing my voice?' Cas asked stepping towards Dean.

"Like it's inside my head. Why? What does that mean?" Dean asked.

'It means our bond is stronger!' Cas' tail whipped from side to side excitedly. 'But how come I can't hear your thoughts?' He asked more to himself.

"Is there something wrong with me?" Dean asked slightly worried.

Cas got on his hind legs and placed his paws on Dean's chest to look into his eyes.'Dean, do you trust me?' He asked. Dean looked into those deep blue eyes and felt the need to move under the intense stare.

"Obviously. We both wouldn't be here if I didn't." Dean stated. It was true, he believed Cas and them being in New York to find some family Spell Book proved that.

'Then let me in. Allow me to hear your thoughts, feel your emotions.' Cas practically pleaded.

"How?" Dean asked unsure of what to do.

'Try to push your thoughts into my head. It's as if you're trying to talk to me but with your mind.' Cas tried to help him along.

Dean stood there, concentrating as hard as he could. He felt like an idiot just standing there obviously doing nothing. 'I'm stupid. I can't even do a simple thing like work my own mind.' He sighed in frustration.

Cas' tail sped up out of control. 'No you're not! You're brilliant, Dean.'

'Hold on, you can hear me? It worked?' Dean raised an eyebrow.

Cas nodded.'It will be much easier to communicate with you now.' He thought, relieved.

'Does it work no matter where you are?' Dean asked intrigued.

'It all depends on the strength of the bond. There have been some pairs who are known to be able to hear each other all the way from opposite sides of the world.' Cas thought about the pairs in awe.

'Those are some damn good bonds.' Dean thought amazed.

'With time our bond will grow that strong' Cas said with certainty.

'I don't doubt it' Dean said laughing out loud a bit. Their bond was the second strongest bond Dean has apart from the one with his bother, obviously.

Sam awoke twenty minutes later to find Cas in human form and both men staring at each other not speaking a word.

"What are you two doing?" Sam asked still half asleep.

Dean looked over at Sam for awhile without saying anything making Sam more confused. "Shit. Sorry, Sammy. I forgot you can't hear my thoughts." Dean said a little embarrassed.

"Dean and I have a profound bond, allowing us to connect through each others thoughts." Cas explained to Sam.

"Uh-huh." Sam said slowly looking between the two of them.

"Are you going to go with me and Cas to get this book?" Dean asked changing the subject.

"Hell yeah! I'm a part of all of this too." Sam said with a smirk.

"Then let's go!" Dean hopped up with a big grin on his face.