Taecyeon grew up within some harsh environment making himself very cold. He doesn't really care much and he's really really all to himself giving no s**t about the other. However once someone gets really close with him he becomes very kind and sudden change of attitude. He grew up having a tough life fighting for what he believes as both his parents abounded him from his early years and he had nothing and no one to trust. He has also made a living for himself from working at the age of five.