Cheryl Burke was “sexually abused” by an “old, retired mailman.” The 38-year-old star – whose parents divorced when she was two because her father was unfaithful – explained that when she was a child her stepfather had hired an elderly babysitter and alleged that while there was “no intercourse” she was “groomed” by him and that he became her “definition of love” in her youth. She said: “It wasn’t intercourse. It was other stuff that happened, sexual acts, but I never physically felt hurt. There was moments… [where] it didn’t feel bad. It was actually intimate. He was grooming me, and he was…