Well done Bungleau - if you hadn't done that sort of reply I just knew I was going to want to
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As to why students fail - I found that when I was in university a surprisingly high number of final year students realise that they are not actually studying the path and subjects that they wish to pursue, and all of a sudden realise they wish they were studyingnsomething different. I couldn't believe how many people in my class up and decided that half way through the final year.