His swagger swept her off her feet. Eric Adams’ ex-girlfriend Jasmine Ray spilled painfully intimate details about her secret relationship with the mayor in a juicy tell-all – including how she rubbed a scar on his head to calm him. “In our closest moments, I would rub the back of Eric’s head, where his old surgery scar left him vulnerable,” Ray, 42, wrote in her memoir, “Political Humanity,” set to be released Sunday. “He could sit still for hours if I kept my hand there, as if my touch eased