Comments on consistency

[excerpted from my current post on “Do You Know Where YOUR Story Is?]

I don’t care if all the inhabitants of a planet are legless, have a single blue eye, gills, and live in a tank where they are dependent on water, melons, and cress to live. Just don’t suddenly have their out-of-town cousin travel in on the next train walking on three legs, smoking a cigar, and using four eyes to watch me out of the back of their head. It doesn’t fit the world you built.Writing romance? I know, love a...