The group includes far more men than women, reporters reported. The Mary Poppins drunk could be guaranteed not to start a drunken argument or fall over in a bar and instead was a friendly, compassionate drinker. "They decrease less than average in conscientiousness, intellect and agreeableness when intoxicated," the researchers said. The umbrella-twirling nanny Mary Poppins is the lead character in a series of children's books written by P L Travers.