He needed a reason to persuade himself and Frost. If she couldn't give any reason, he would have to let her go.
However, he wasn't going to change his mind. Since he had asked Frost to give him a reason, she had to give him a reason. It was either that or nothing.
"I was born with a unique condition, and it makes me very talented in cultivation.
"Mr. Soan, you're a competent man, and you understand what I'm going through. I'm so grateful that you can suppress my condition for one night.
"Moreover, I feel familiar with your surname, which is why I want to become your pupil."
Frost quickly gave her answer. She knew she couldn't think for too long, or she would seem to be prevaricating. The sooner she answered, the more sincere she would seem.
Himmel Soan nodded and asked another question, "If I become your master and you find out you really are the reincarnation of a master, what will you do?"
"You'll always be my master!"