AKA The One Where We Got Lost and Drunk in London My day started ridiculously early. I’m one of those awful people who can’t manage anything more than the basic zombie functions without a cup of coffee, so I had one and felt a touch more human before I left the house to get the coach to London, but I also stopped at Costa for a large latte with an extra shot. This was probably a mistake. Not least because, while my friend was catching some zzz’s on the three and a half hour coach journey, I was quite literally jittering in my seat while blasting Halsey, trying not to…