A proverb meaning that one only understands a parent's kindness and struggles after becoming a parent oneself.
子を持って知る親の恩だ。私も子育てをして初めて母の苦労が分かった。
It's true that you only understand a parent's kindness after having children. Only when I raised my child did I understand my mother's hardships.
子を持って知る親の恩という言葉どおり、彼は頻繁に両親に連絡を取るようになった。
As the proverb says, after having children he began to contact his parents frequently.
子を持って知る親の恩を実感した彼女は、親孝行を心がけるようになった。
Having realized the meaning of 'you understand your parents after having children,' she made an effort to be filial.