Reading this manhwa isn't good for my health. Why is it so stressful? Just for once I want...

Reading this manhwa isn't good for my health. Why is it so stressful? Just for once I want to read a chapter without feeling my blood boiling! Why can they just take a break? Why isn't Baek Yi Soo using a gun too? That would make things so much easier going against Blacktag ヽ(`Д´)ﾉ