Reese Witherspoon has confessed that whenever she has excess garbage she just dumps it in her neighbour's bin.Witherspoon, 33, who was promoting her new perfume on The Tonight Show on November 13, revealed to talk show host Conan O'Brien that she is obsessed with garbage."I like to throw things away. I'm obsessed with garbage," Contactmusic quoted her as saying."After a holiday or a birthday, I have...