Most of the time, the decision to be extra is made in the moment. We're totally ready to do things the normal way, but then inspiration strikes at the last second and we decide to fold our résumés into origami to stand out from the others.
Please note that I kinda doubt this helps as much as it seems.
But anyway, the point is that while that choice is made quickly, it's still a choice. But some people choose to be extra in the same way that they choose to breathe. It's gonna happen whether they're thinking about it or not.