As Premier League’s most in-form side prepare to host Arsenal their experience is beginning to look like a superpowerIn a parallel universe somewhere, Unai Emery is still wrestling with his black puffer coat in his dugout at the Amex Stadium, trying to force his hands through the sleeves, fresh from hurling it to the ground in wild celebration. The adrenaline of Aston Villa’s 4-3 comeback win at Brighton on Wednesday has probably only just faded. He made cinematic viewing and triggered memories of Mario Balotelli struggling to put on a warm-up bib and Tim Sherwood, while Villa manager a decade ago, launching his club-branded jacket towards the turf after Christian Benteke equalised against QPR.By the end, Emery was hoarse and Villa had chalked up an eighth victory in nine Premier League matches, 12 out of 14 in all competitions. Across the past 10 league matches, Villa have accrued a division-high 25 points and in that time only Manchester City have scored more goals and Arsenal conced