expression
children don't appreciate their parents' love
Proverb expressing that children often fail to understand how deeply their parents care for them, leading to selfish or ungrateful behavior.
親の心子知らずで、彼は親の苦労を考えずに遊んでばかりいる。
He is a child who doesn't know his parents' hearts, always playing without considering their hardships.
A traditional Japanese proverb. The exact origin is uncertain, but it reflects a common parental sentiment.