While it's possible Mike could have changed his opinions especially in regards to an issue as serious as a broken window it's odd that he would attempt to get Sue to tattle seeing as how he previously punished Brick and Sue for doing so.
Sue announces her 16th birthday. However, in episode "Leap year" of the previous season (season 3, episode 18, aired 29 Feb 2012), is revealed that Sue was born on a leap day. A leap day girl will celebrate her 16th birthday in a leap year.