相亲相爱 (xiāng qīn xiāng ài) | Meaning: (idiom) (of siblings, spouses etc) very close to each other; inseparable; devoted to each other | Chinese Idiom with Pinyin & Origin

like a fish back in water (idiom); glad to be back in one's proper surroundings如鱼得水rú yú dé shuǐ

stuck together as by glue (of lovers) · joined at the hip如胶似漆rú jiāo sì qī

intimate · close亲密qīn mì

to treat each other as an honored guest (idiom) · mutual respect between husband and wife相敬如宾xiāng jìng rú bīn

(idiom) (of siblings, spouses etc) very close to each other; inseparable; devoted to each other