you’re right but we have been through a lot to be with each other, hence the arguments. Lots has happened.
This is:
- "Us against the world" mentality
- Want to prove people wrong about your relationship
I have asked for breaks in past relationships, not to sleep with other people but because the person I was in a relationship was resolute about not splitting up, almost wouldn't "let" me do so, guilt tripped me, did the "I can't live without you" stuff so I felt asking for a break was a way of starting to disengage without them going nuclear.
Love isn't enough.
Do you fundamentally think this is a healthy relationship? I don't know how you can. If you do, you're wrong. If you don't, you shouldn't want to remain in it.
Your dynamic is based on your compatibility. You say things are ok when you're together but not when you're apart. That is not true in a healthy relationship. Which means you aren't compatible. Your communication style, emotional wants and needs, personality, values - all of these things create the dynamic between you. If that dynamic is dramatic, unsettled and argumentative you are not compatible.
He doesn't want to fight as hard as you to make this work. Two years in not living together it shouldn't be a tough fight to not argue when you're apart. He's right to want out.