Whatever you do, don't look behind you.
The bottom line for linguistics is that the analysis of language must reflect the way it is actually used, not someone’s idealized vision of how it should be used.

My linguistics textbook

I like this quote because it’s basically a big fuck you to “proper” and “conventional” grammar. If the point gets across, then it gets across. We’re supposed to study why it gets across and how, not weather or not it’s proper.