Kevin Federline swears he only has good intentions toward Britney Spears, despite what she and her fans may think after the release of his scathing memoir! The 47-year-old former backup dancer got slammed by the pop icon this month after teasers for his new book, You Thought You Knew, dropped multiple allegations about her! We're talking about some seriously shocking and disturbing stuff here! Everything from her allegedly punching her son to doing cocaine while still breastfeeding to cheating on K-Fed and more! Over the past week, Britney slammed the "garbage" book of "lies" in several posts,...