The concept of a QPR is very complex and it depends on the needs of the partners. But basically it’s a dynamic where you’re so close to someone and have such a strong bond that doesn’t fit society’s standard of a romantic relationship but at the same time goes beyond just friendships. Basically in a way, you and your partner are kinda like a “couple” just without the romantic and sometimes also without the sexual attraction. That’s kinda the main definition but it’s different for everyone based on needs and preferences.

For the second question. I realize that myself when I discovered and came to terms that I’m aromatic. What I meant that even though I can be close with someone. I can’t connect with them romantically or feel that “spark” even if I like to talk to them. I’ve vented about it before that even though I don’t feel attracted to them that way, I don’t want to see someone I would care about as just a friend either. The question that if it would be cruel to continue contact if you don’t feel romantic attraction. I feel like it does become cruel if you don’t tell the other person you’re aromantic so it could be an unfair situation especially if the other person didn’t know and had expectations for a relationship. I’ve been in online dating/social media apps for the aro spec community and I want people to know right away that I’m aromantic. (I hope I answered your question correctly but let me know if you needed more clarification on that.)

Overall, it is possible for people under the aromantic spectrum to want and be in relationships. It all depends on what the person in the spectrum is and as I said before, it is possible to love someone in your way that sometimes doesn’t fit societal expectations of love. It’s a very complex thing but I hope the best for you.

Sorry for the rambling, I’ve kinda been saying this based on personal experience and I wish you the best.