Abnormally happy and energetic IF

Hi everyone, I’m currently doing 16:8 and 18:6 IF fasting depending on the day/ how long I feel I can go without food. During the eating window I’m eating ~1200 calories, which is high protein, low carb. While fasting I drink- heaps of water, tea, black coffee and Diet Coke/sugarfree coke. I’ve noticed I feel so much happier and energetic even just a week into it. I expected to be starving and have hunger pangs all the time (as someone who is use to snacking on junk food). I’ve noticed my appetite is minimal and I’m more productive due to the higher energy levels- working faster at work, not putting off washing/dishes/ daily tasks etc. Is this a common experience? via /r/intermittentfasting https://ift.tt/5m1iVAE https://ift.tt/3gwfC52