"Menstruation, commonly known as period, Aunt Flo, etc. About once a month, the endometrium independently thickens, blood vessels proliferate, glands grow and secrete, and the uterine lining breaks down and sheds along with bleeding changes..."
He spoke as if reciting a textbook, fluently and expressionlessly.
Actually, he felt awkward inside, really awkward.
But he had to keep pretending to be calm...
At last, he asked, "Did you understand?"
"I understand, I understand..." Mengmeng nodded as if she had got it.
Otherwise, she would appear too dumb.
Gu Zhihan could tell she still didn't understand, so he helplessly began to explain again, "To put it precisely, the bleeding isn't a miscarriage or anything else, but a normal physiological change that happens once a month."
"So that's it!" Mengmeng finally understood with such an easy-to-understand explanation.
But though she understood, still...