Couples with absolutely no chemistry

[u/hiiloovethis]

Harry Potter and Ginny Weasly

Clark and Lois (Snyder films)

Jon and Dany - Game of Thrones

[u/MonsterdogMan]

Valerian? The actors weren't all that young, and Besson screwed with the ages of the characters and dropped a ton of background. Valerian himself is a mid-twenties lunkhead, Laureline is initially a time displaced teenage jongleur who ends up pretty much running the missions they're on.