expression
the more you fight, the closer you are
Proverb meaning that frequent arguments can actually indicate a close relationship; often said of friends or couples who bicker a lot.
あの二人はよく喧嘩するけど、喧嘩するほど仲がいいんだね。
Those two fight a lot, but I guess the more they fight, the closer they are.
喧嘩するほど仲がいいって言うから、心配しなくていいよ。
They say the more you fight, the closer you are, so you don't need to worry.
A traditional Japanese proverb. The exact origin is uncertain, but it reflects a common cultural observation that arguing can be a sign of intimacy.