Krakauer continues despite his fear and physical reactions because of his determination to achieve his goal and conquer the challenge of climbing the mountain. His sense of drive, ambition, and passion for mountaineering compel him to push past his fears and continue on the journey, even when faced with the possibility of death. Additionally, his pride, competitive nature, and the investment of time and effort into the climb may also factor into his decision to persevere. Ultimately, Krakauer's determination and commitment to reaching the summit outweigh his fear and physical setbacks.
