A funny joke with a stomachache

Mother always exaggerates that aunt's son is good at studying, sensible and helping aunt Zhang. Unlike me, a big sister and a little sister can do nothing. I said, Aunt Zhang's son is so good, why don't I go after him and be your son-in-law? Mom immediately shook her head: no, no! That child listens to his mother, he has no opinion! Later, my mother never praised Aunt Zhang's son again. ...