I wonder if you have heard of "The man comes riding a bamboo horse and goes around the bed to make green plums."
They have been playmates since childhood and have relied on each other.
They both put each other first.
She is a childhood sweetheart and he is a sweetheart.
Intention: Childhood sweetheart: You protect me from the wind, and I will protect you from the rain.
Looks good! ! Will the author update soon?