People often define QPRs as some kind of "halfway point" between friendship and romance, but I prefer to think of it as more of a "secret third thing" that can have characteristics of platonic and romantic relationships, but can also be totally unique. It gives more room for freedom and flexibility, which is what QPRs are meant for. They're not meant to be the middle point between two binary options. They are an entirely different category all of their own.
Think of it like how we see nonbinary genders. Most of us recognize that nonbinary doesn't mean a halfway point between male and female, but an entirely distinct set of genders that may share characteristics of male and female genders, but also may not. This is what QPRs are (supposed) to be like, not something defined as a middle point in an arbitrary binary.
My idea of a qpr is that I'll have friends I live with and we cuddle sometimes. Or maybe I'm in a polyam relationship but I'm there for the emotional attachment and physical affection rather than anything specifically romantic or sexual. There's not really a difference between how I relate to a best friend and how I relate to a qpp, but in my qpr there would be an understanding that we're committed to each other in some way and I'm not going to be forgotten once they get a romantic partner. And I dream that I'll be able to call future queerplatonic partners my family because the idea of making a family without a romantic or sexual requirement is important to me.
I think AJR said it best when i was starting to catch feelings from my (now partner)
"I hold you
I hold you closer then I ever knew
I could do
But I'm confused
I thought I'd recognize when love was true
But I'm confused
Am I ready for love?
Or maybe just a best friend
Should there be a difference
Do you have instructions?
Maybe I'm stuck on what I see on TV
I grew up on Disney
But this don't feel like Disney
You say I turned out fine
I think I'm still turning out"
We still are working out some details but honestly it's okay, i cant imagine my future without them and i will do everything in my power to be the best version of myself for them.
Romantic, Platonic or some borderline it really doesn't matter.. as long as they know i care and i feel my best when i'm with them.. that's all i'll ever need from this world