She had nodded at the answer, and had picked the right spoon for stirring it, one with a wedge bowl to actually get into the corner along the bottom of the stock pot, because she wasn't completely incompetent in the kitchen, it seemed.

The question however, had her blinking, brow creasing as she turned to look at him, "What?" She shook her head then, returning to watching the milk as she stirred, checking the temperature again because she knew that once it started to heat it would heat quickly, "Not everybody does, people that have their own chicken and can get fresh eggs don't, but it's the whole commercial processing thing again, how they're washed or something strips them of a protective coating, makes the shells sort of porous or something? Easier for bacteria to grow on them, same reason you have to be careful not to get bits of shell into it when you crack one."