Sokka would make fun of him, but he's too enchanted with the car to figure out why flying is so annoying for Dean.

So Sokka keeps grinning.

"Your brother's here, too? Man, it's always nice when the universe stops sucking long enough t'keep families together. You're new, right? --holy shit, this is the original engine, isn't it?! And '67 was like ages ago for you, right? Oh man, wow."