The 31-year-old and his assistant JasonTindall were approached to replace the departed Darren Ferguson at Posh, but have opted to stay with the Cherries.
"When you look at the likes of Phil Vickery, Martin Corry, Lawrence Dallaglio, Jonny Wilkinson, Mike Tindall and Jason Robinson, you start getting a core of leaders and you think, 'We've got something here', " he said.