Is it normal that i hate receiving relationship advice from friends?

My friends (technically acquaintances) will drag me into a conversation, usually about more personal subjects especially my relationship, which I do not care to talk about and if I basically answer any aspect of that question, they'll often give me unsolicited advice on that subject.

I'm 20, I'm in my first romantic relationship, we're extremely compatible and happy together. Our only drawback is it's long distance, but not too far. However, the way they so readily give me unsolicited advice is as if they think "lack of experience" is synonymous with "lack of common sense" in relationships.

If I had my way, I'd never talk about my relationship with anyone other than members of my own family, but they're always prying with questions especially about if the both of us have investigated each of our potential deal breakers (for me, it's where I want to live, that I don't want kids or pets, etc.). To me, these are blatantly obvious factors that I've clearly investigated and it's annoying to constantly be asked about it.

Is it normal to feel this way?