How could it be?
Lin Fei Fei was still hang up on the thought of Qin Yu's stay on her patient's house, and worst, she wasn't able to confirm this matter about Su Ci Yi's cohabitation with Qin Yu. More like she chicken out at that time and hastily fled looking like a crazy woman than her patient.
Since their school days, Qin Yu was always filled with admirers, pursuers, and fans that secretly hide their emotions from him. Afraid to show because of his aloof nature. His unapproachableness was what makes him safe from those girls. However, there are some who don't show any decency and pulled out a lot of tricks that go against the virtue of a reserved lady.
And those situations ended up as his flings but both end shortly for a few months.