How does white fang show his affection for weedon Scott?

White Fang is finally able to relax around a man when Scott interacts with him:

[Scott's] voice was soft and soothing. In spite of the menacing hand, the voice inspired confidence. And in spite of the assuring voice, the hand inspired distrust. White Fang was torn by conflicting feelings, impulses. It seemed he would fly to pieces, so terrible was the control he was exerting, holding together by an unwonted indecision the counter-forces that struggled within him for mastery.