Maybe I’ve been single too long, maybe I’ve just been looking at the negative side of relationships too often, or maybe I’m just a freak who takes her friendships too seriously, but the other day I came up with the borrowed time theory while on the way home from work. What is the Borrowed Time Theory? Well it’s this idea of mine that the time our friends spend with us is only borrowed time from their significant others. Like for instance, they can only hang out with friends coz they have no plans with their SO. Or the fact that some people have to “ask permission” from their SO to…