People don't fully realize that even when fasting is done regularly by john like annually, Yet it's still counts as 'trial' for him as a muslim, especially when you have to hold up hunger and thirst while having such an intense work to do that need focus, high maintaining logic, and stressful like esports.
also, fasting in the northern or southern hemisphere is always sucks for that kinda thing, you have to go for like more than 12 hours.