Soobin is a Yandere, Yandere's will start out sweet and calm. At some point, this will change once they discover their feeling for someone. Yandere's are prone to random outbursts and violence and abuse. The said Yandere's will show obsessive behavior of wanting to be around the person they like and always want to be with them. Basically, the want this connection at any cost, which can lead to other people around their love interest being hurt or killed. Soobin stalks you everyday.