I've been eating toast for breakfast pretty much all my life. On weekends I'll usually throw in an egg into the mix, but 99.5% of the time it involves bread of some sort.

I find that if I have a greasy breakfast with eggs, sausages/bacon, and hashbrowns I would feel full and sometimes sick all day. Bread just suits my stomach so much better.

When I visit my relatives in Japan, they'll give me the usual fare of rice, miso soup, and anything else they have left over from dinner the night before. That sort of meal really doesn't sit well in my stomach first thing in the morning.