喧嘩するほど仲がいい（けんかするほどなかがいい）

Japanese vocabulary

Meaning: the more (people) fight, the closer they are; those who quarrel most are often the best of friends

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “喧嘩するほど仲がいい” pronounced in real videos (YouGlish)