Idioms describing parents' good feelings

Kinship of flesh and blood, kinship of flesh and blood, kinship of lips and teeth, blood is thicker than water, love each other and kill each other. Qi Mei (1) is deeply in love. (2) Mutual echo (3) Friendship with Taizen. (4) Zhang Chang thrush. (5) vows of eternal love. (6) Running water catches peach blossoms. (7) Forever and ever. (8) Until it dies. (9) Deeply love (1 1) Taohuatan water (12) forever (13) every grass and tree blooms (14) and flourishes (15) in Jin Lan, Yi Jie. Family harmony (2 1) The beauty of the harp (22) Family affection (23) Feelings like hands (24) Feelings like pictures (25) Affectionate friendship (26) Feelings like milk (27) Feelings like brothers (28) Feelings like brothers (29) Love (30) Heart to heart. It is hard to say goodbye (40) (4 1). The difference between life and death (42). Like-minded (43). A friend in need (44). A friend in need (45).