I dont think this is the place to ask that. I would recommend finding a health forum to ask this on and contacting your doctor. Maybe you have a slight allergy to eggs and your body reacts with a headache. But most of us are probably not drs so we cant give you a solid answer. I do hope you figure it out though!
I believe the answer to your question is GUILT. Its the only one that makes sense.
Private means you manage it and managed means that someone else manages it
sadece biraz translated english: just a little
I also know spanish japanese and of course english
Energy cause it would waste all of the battery and create high voltage