How do I convince my fiancée to join cohost, they just keep saying “no, it’s for nerds”

I’m Ruby。 I’m roughly 20 apples tall
ルビーです。背がりんごを20つぐらいです。
I drew my profile pic and banner. The gameplay in the banner is from dragon quest 1 for game boy that I recorded myself.
How do I convince my fiancée to join cohost, they just keep saying “no, it’s for nerds”
tell them you can just say whatever and at most 8 people can stop you
in all seriousness it's dominated by nerds because every new thing is, but as more people come in as the site becomes a more intuitive experience, it'll hopefully balance out