Whoever tells you that London weather is not crap is lying. It is crap. 2 years here and I'm still not used to it. Yes there are sunny days and even weeks and it makes you appreciate those days that much more, but when you're a Buffalo gal who has been spoiled by North Carolina weather, going back to cold and dreary is hard.
No, it is not always raining in London like they show on the movies (actually when I first moved here I was surprised to find that it rains a lot less than I thought it would, and when it rains it's usually light rain, not a big downpour). But yes it is usually pretty gray and gloomy. It just makes me want to curl up in bed all day long. I can handle the cold, I don't like it but I can deal with it when dressed appropriately, but the dark gloominess is a major bummer and has caused me to come down with a serious case of SAD.
Don't get me for plagiarism, but I totally stole this from my friend Megan's blog ( http://gingeradventuresabroad.blogspot.com/ ) but only because I knew she wouldn't mind, and because I totally feel ya girl. The Mayo Clinic defines SAD as the following -