Your first argument
The first argument is not a bad sign. Never having one by month six is the thing to worry about.
At some point the pleasant phase ends and something real comes up: a cancelled plan, a comment that landed badly, a difference that can't be smoothed over. It feels like a crack in something that was going well.
It isn't. It's the first honest data you've had about the most important question in any relationship — what happens here when things go wrong.
What to watch for
- Can they say sorry? A plain apology with no "but" attached is one of the best signs available.
- Do they stay in the room? Walking out, stonewalling or refusing to speak for days is a pattern, not a mood.
- Is it about the thing? Or does it immediately become a list of every previous grievance?
- Do they play fair? No contempt, no mocking, no bringing in what you told them in confidence.
- How does it end? Repair matters more than the argument. Do you find your way back to warmth within a day?
How to argue reasonably
Say what happened and how you felt, rather than what they are. "When you cancelled twice I felt like an afterthought" is workable. "You're selfish" is a verdict, and verdicts get defended rather than answered.
Stay on one subject. Don't fight when either of you is exhausted or drunk — "I want to talk about this tomorrow when I'm less wound up" is a mature sentence, not an evasion. And leave the exits alone: threatening to end things during a disagreement teaches both of you that the relationship is conditional on never disagreeing.
Repair is the actual skill
Every couple argues. The ones that last are the ones that come back afterwards — a hand on a shoulder, a joke, "I hated that, can we start again." Repair doesn't require resolving the issue; it requires re-establishing that you're on the same side.
If you never argue
Either you're extremely compatible or someone is swallowing things. Six months of total harmony often means one person has quietly decided their preferences don't matter, and that bill arrives later with interest.
The short version
- The first argument is information, not a crack.
- Watch for apology, staying present, fair play and repair.
- Describe the behaviour and your feeling, not their character.
- Never arguing usually means someone is silently conceding.