I'm going to be controversial and say D. Take a break. Everyone needs a holiday! If blogging is starting to feel like hard work and is getting you down, you might as well spend your time on something else. You could put it on hold for now, write just a few articles in the next few months, and re-launch in the new year (or whenever) by publishing them all at the same time. Or, as someone else has said, get some guest writers, perhaps? There are plenty of things to do and see in London and beyond, so don't waste your time on something you're not enjoying. Whether you keep it, put it on hold, or bin it - have fun.