Season 1 Bashir: This is BRILLIANT, gonna practice RUGGED FRONTIER MEDICINE and have ADVENTURES and do THRILLING HEROICS and PULL MORE TAIL THAN JAMES T. KIRK
Season 4 Bashir: Have been officially dumped by everything in a skirt on the station. Adventures are scary. Major Kira is scary. Captain Sisko’s shiny bald head is scary. Also am fairly certain I want to fuck a lizard.
AU where you know who your soulmate is based on this almost instinctual mental connection that transcends the boundaries of any typical relationship. You can hear each other’s thoughts and feelings and mentally reach across thousands of lightyears of distance when you need each other and—
Oh, wait, sorry, my bad. That’s not an AU that’s Star Trek canon.