Mix the next sentence with aunt.

I've been hungry for nine times in three days.

The next sentence "Go out to play with menstruation" can be followed by "Hungry for nine meals in three days", which is a joke, meaning that going out to play with menstruation may often lead to starvation.

"Going out to play with menstruation" is a joke, which is usually used to describe getting along or studying with an older person. This sentence implies that aunt has rich life experience and knowledge, which can give guidance and help to young people.