What sort of married guy strays, and more importantly, why? , Up-to-date , Over the past week ­Twilight’s Kristen ­Stewart, ­co-celebrity Robert ­Pattinson’s wife, have confessed to an event along with her married manager Rupert Sanders, 41, and you can ‘heartbroken and you may devastated’ Anthea Turner was reported to possess trashed ­husband Grant Bovey…