It is the little things that count, and the little things that loom large when things begin to sour. When you care about someone else at least as much as you care about yourself the relationshp is bound to flourish.
I strongly disagree with this. People who fight are likely to say things that they don't mean, wouldn't say otherwise and will regret later. I almost always think fights are foolish, upsetting and embarrassing and generally not the way to solve problems effectively. If you disagree with this, tell me where I'm wrong.