I've never done more than 3 eggs in a meal, either, and only up to 2 if they're boiled, but my hand is pretty small so 3 eggs is about one portion for me and that seems to work quite well. If I do ever feel like I need more protein, I simply add in a bit of chicken or sausage to boost it without stuffing even more eggs in (which would probably lead to issues, since they often don't sit well for me).