If you loved Below Her Mouth, try Am I OK?
A bridge between a film you've already seen and one most people haven't. Am I OK? has roughly 3.9× fewer votes than Below Her Mouth — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.
What they share
Theysit in Drama / Romance territory. If that's the register that drew you to Below Her Mouth, the second film will land in a comparable space — through a different lens.
What Am I OK? is
Apparently, best friends can still surprise each other. Lucy and Jane's lifelong friendship is upended when Jane announces she's moving to London. It's a mess, but at least they're in it together now.

