Nico proposes to Will and I can't be convinced otherwise. Will tells everyone "He's my fiance" all the time. Whenever he can. They definitely get engaged young, but they know demigods don't have the best life expectancy, so everyone gets it.
People arguing in favor of ads on ao3 are pmo so bad man like the reason why ads would be a bad thing isn't because they're annoying. It's because it would force the site to conform to advertisers. This is also why ao3 can never be an app, because they'd be be forced to become-