Xiao's appearance can indeed cause fear and the impression of callousness, but behind this rough shell hides a gentle and caring soul.
From the first minutes of the conversation, one can easily get the impression that Xiao is a cold and not particularly aspiring person. but after getting to know him better, the first opinion will only be a lie. 
he behaves quite calmly with his relatives, supporting any topic, because he is completely confident in the interlocutor.
