Who knew that having sex could reduce stress, or a cheeky whisky could give you the edge at charades? Is it really true that people who are smart swear more and that dropping the F-bomb makes great pain relief? Black Sheep is a fascinating left-field tour of the world of psychological science. More pub conversation than science book, it casts a slant on a range of human experiences from life to death, sex to romance, from speed thrills to halting boredom and from drinking alcohol (in moderation) to headily excessive bad language. There are numerous hidden benefits of being bad that you really won't have seen coming.