The more that time passes, the more likely you are to see a society re-evaluate its norms and conventions.
And while recent years have seen these revisions center around serious matters of human rights, we're also seeing smaller discussions involve anything from tipping to dating etiquette.
But in the latter case, discussions regarding who should pay for what aren't limited to that period before a couple officially enters a relationship. As one Twitter thread reveals, it's easy to fall into an arrangement that's much less fair than it sounds when you're actually living together.