秋茄子は嫁に食わすな
Meanings
1
don't let your daughter-in-law eat autumn eggplants
Proverb with multiple traditional interpretations: autumn eggplants are too delicious to share, they are believed to chill the body, or their lack of seeds may reduce fertility. Used humorously or to express a mother-in-law's reluctance to share prized food.
There's a proverb 'don't let your daughter-in-law eat autumn eggplants,' but nowadays it's often used jokingly.