Ant Middleton has opened up about the horrific bullying he experienced during his younger years in the British Army.The SAS: Who Dares Win star said the abuse was usually instigated by the ‘5ft 6in f***ing rat’ troop sergeant, and that he was sometimes faced with a sledgehammer attached to a bungee rope.It got so bad that the 39-year-old – who was in his teens at the time – quit the army. ‘They’d all come back from a night on the p*** and they’d surround my bed in the accommodation block,’ he penned in his new book Zero Negativity: The Power of Positivity, in an extract revealed in The Sun. ‘Sometimes they tipped me out of it.