C185 Memory Loss

Why does Yun Yi have a poor memory? Mo Ya knows it's partly because of her. Back then, Yem Mohan's bounty was indeed effective. The only time they were discovered by Yem Mohan was when Yun Yi took a bullet for her, injuring his brain and affecting his memory. Because of this, Mo Ya is more patient with Yun Yi and Yun Er, the only two besides Ping'an who know her identity, especially with Yun Yi