If Sigmund Freud were to ever pick a Serie A club to psychoanalyze then, with the possible exception of Inter, a more curious case could not be found for his couch than that presented by Lazio. Understanding what exactly goes through this club’s head is a challenge at the best of times. Just open their file and turn to the events of last Wednesday night at the Stadio Olimpico for an example. It makes for an interesting read.   Without their injured top scorer and star player Miro ‘the Hero’ Klose, Lazio were expected to lose heavily to reigning champions Milan, just as they had done in the Coppa Italia quarter-finals a week earlier. Instead, they won 2-0 and deservedly so with goals from…