Si Mobai squinted his eyes dangerously. He then grabbed her little hand immediately and asked, "Who told you that?"
He had only been gone for slightly more than a month, yet Lan'er had learned so much?
This kind of thing must only be taught by him personally. No one else was allowed to interfere!
"From the books. Besides, if you can't find an outlet, you will suffer from erectile dysfunction," Feng Tianlan raised her head and explained the repercussions to him in a serious manner as if she were a physician.
Initially, she didn't really take it to heart. However, she looked through some of these books to further understand all there was to this, just in case they were caught in passion and were to do it before their wedding night. If she didn't know anything by then, she might embarrass herself.