Fitness Guru Richard Simmons is opening up about being “made fun of” a decade after he retreated from the public eye. The 75-year-old recently spoke out against an “unauthorized” movie biopic, starring Pauly Shore, and told fans he just tries to “live a quiet life and be peaceful.” Now, he’s spoken out against the ‘haters’ and revealed just what he listens to to ‘block them out’ completely. Richard Simmons says he’s ‘glad to be me’ in inspirational messageThe star’s enthusiastic demeanor was never everyone’s cup of tea, and like all celebrities, Simmons has had to deal with being “made fun of”…