Whether it’s panicking about the mess, forgetting drinks orders or frantically asking if people are having fun, I’m no fun at parties. How do the bon vivants do it? Being a bad friend is presumably like being a narcissist – wondering whether you are one probably means that you’re not. However, a writer for the US magazine People questioned this topic just this week, with an article asking if she was letting down her mates by refusing to host Friendsgiving. (For the unfamilar, this is Thanksgiving you spend with friends rather than family, and is increasingly popular in the…