Brad Pitt has become “more aware of” his mortality. The ‘Fight Club’ actor turned 60 in December and admits he is finally starting to understand he won’t live forever. He told GQ magazine about ageing: “You start to understand this idea of mortality and that it is something we all have to deal with. “You just become more aware of it.” Brad added he is “just trying to enjoy the people that I love around me and just living”. He went on: “I don’t know how to not sound cheesy about it, but just the air is fresh and grass is green and I’ve just kind of become that guy a little bit.” Brad chatted to…