Gosh I had no idea school starts so early where you live, here in NZ its starts at around 9 am and 8.45 am, depending if it is primary or secondary schooling, I guess you finish earlier, they finish at 3.15 or 3pm.

I understand what you are saying, the reason you probably hurt , your stomach that is , because it is now used to not eating and if you do, it lets you know about it, been there honey done that.

Do you think you could tolerate a piece of fruit though? it really is just a matter of adjusting and takes time for your stomach to get used to eating in the mornings, me I used to feel sick, like puking at the thought of breakfast, and I think I would have if I did, it took me time but I did it, and I was in my early twenties when I ate this way.

If you are happy as you are and feel no ill effects, then who am I to judge you, just worried for you is all, take care.