You're his parent. I'm just an absentminded academic who's never had children.
你是他亲娘,我只不过是个脑子糊涂又从未有过孩子老究。
There's an old expression about the absentminded professor, the idea is that university professors are so busy with their intellectual tasks that they forget to do basic things like get their car washed or buy food to make dinner.
关于心不在焉教授有一个古老说法,意思是大教授忙于他们智力任务, 以至于他们忘记了做一些基本事情, 比如洗车或买食物做晚饭。