“‘Okay, so tell me this,’ Dean says, looking up from his plate with a furrowed brow. ‘If you could have one thing, anything in the whole world, what would it be?’

It’s on the tip of his tongue, so close to rolling off the edge, he almost doesn’t catch it in time. Almost doesn’t want to.

Maybe he won’t. Maybe he’ll let it slip just this one time. Will Dean even notice? Or it will just slip right by him?

But there are stakes here, and if Dean has taught him anything, it’s that he should never gamble anything he’s not willing to lose.

So instead he says, ‘Happiness.’

That’s close enough.”

- Castiel

--

"I love his blue eyes, they're gorgeous"

"i thought they were green?"

--

"his sandy blonde hair is always smoothed back into perfection"

It’s their constantly switching perspectives of each other 

‘I'm like the water when your ship rolled in that night Rough on the surface but you cut through like a knife‘

Cas being all rough and cold when Dean first meets him. But it’s also a pretty good war metaphor - the roughness, the ship on Omaha beach, Dean stumbling into Cas. 

‘And if it was an open-shut case I never would've known from that look on your face Lost in your current like a priceless wine’

Dean not knowing what the hell Cas’ deal is and if he even likes him, but he’s interested - he’s so interested in Cas. 

‘The more that you say | The less I know | Wherever you stray | I follow I'm begging for you to take my hand | Wreck my plans | That's my man’ 

Cas being so confused about Dean and how much he wants him. Changing his entire plan just to be with Dean, over and over again until he literally changes his entire life for Dean. He lets Dean wreck his plans to the point where he stops being Castiel and becomes Cas.

‘Life was a willow and it bent right to your wind (oh)’ 

The scene where Dean cuts Cas’ hair, and Cas is so in love with him. He thinks this: ‘All that he can think of is that moment when Dean, with care and with Joe Harvelle's scissors, had brushed his hand gently backwards through Castiel's hair, and everything in Castiel had drawn towards Dean like a willow to the water.’. 

It’s what made me make the connection in the first place. 

‘Head on the pillow, I could feel you sneaking in | As if you were a mythical thing Like you were a trophy or a champion ring | And there was one prize I'd cheat to win’

‘Wait for the signal and I'll meet you after dark Show me the places where the others gave you scars’

All of their sneaking around and secret meet ups, and their fighting and the literal battle scene they find each other in. The physical scars they have from being in battle are constantly mentioned during the more romantic scenes, the bruises, the scar on Cas’ shoulder, the stitches on Dean’s head...

‘Guess I should've known from the look on your face Every bait and switch was a work of art’

For so many chapters of 91W, Cas literally pulls a bait and switch on Dean. He tells him he wants him, then backs off, then wants him again and he’s so confused and messed up but Dean still comes back, and still thinks he’s incredible. 

‘You know that my train could take you home Anywhere else is hollow’

In the end, when Cas is going from train to train to get to Kansas to see Dean again, this line seems to poignant because Cas’ life literally is hollow. His big empty house, his empty life with no future, he has no friends and no family but getting the train to Dean’s life gives him a home.