See How Much These Game of Thrones Characters Have Changed Between Season 1 and Season 8

Jaime in season one was pretty unbearable: entitled, arrogant, and condescending, all wrapped up in a frustratingly handsome package. He knows he's at the top of the food chain as a Lannister, as the brother of Queen Cersei and as a member of the Kingsguard. He also doesn't seem to care that everyone thinks of him as a traitor for killing the Mad King.

Also, he PUSHES BRAN OUT OF A WINDOW.