Skipping breakfast usually is a mistake. If you're interested, you should do some googling around to find out why. It has to do with metabolism, being too hungry for your next meal which causes many to overeat, etc. etc.
Toast with peanut butter, maybe? Natural peanut butter (just plain ground peanuts) isn't very sweet, it just tastes like peanuts.
There are hundreds of ways to cook eggs - scrambled, boiled, poached, fried, quiches, omelets. You might find that you can eat eggs more often when you learn lots of ways to prepare them. You can even toss in last night's leftovers to your scrambled eggs or quiches. Eggs have pretty much built-in portion control.