He didn't know how it happened. He was...sick? It started with a couple sneezes here and there but he just blamed it on the heat. For most the cold would make them sneeze but for jack it as the opposite. He sneezed and coughed when he came in contact with the heat. Most would think it was weird but to jack it made sense. He was the main winter spirit he was immune to the cold felt the most comfortable in it but he couldn't stand the heat. He would practically melt in it. He didn't understand at first why all of a sudden he would have to roll up his sleeves and start fanning himself as he worked spreading winter to the four corners of the north and sending small cold breezes to the south. Then it evolved to him almost falling unconscious mid flight. He knew the best thing he should do was go to the guardians but he didn't want them to think he was weak. Soon he started hearing the voices. Voices whispering in his ear saying things he new to be true. "Killer." "You cause the deaths of millions." You don't deserve to be a guardian." He would stay up all night because of them and when he did get to sleep his consciousness would give them bodies all of them a darker version of the guardians. After the first nightmare he resolved he wouldn't fall to sleep again. He stayed up all night and in the morning would always wear a blank expression most would say meant his soul would had left his body. It was during the fifteenth meeting that any of the other guardians noticed there was something wrong. Of course they noticed he was coughing every once in while and seemed tired the more and more they saw him but they just put it down to him overworking himself