Director Eliza Hittman, tackles with unbiased honesty, the grey befuddled, muddled area between boyhood and manhood; painful indecisiveness of one’s sexuality, conforming or railing against society’s code of acceptance; nineteen-year-old “Frankie” (British actor Harris Dickinson, overwhelms in this poignant, heartbreaking role,  coming to terms with burgeoning homosexuality, a looming frightening future; beyond handsome, he is a magnet for women and …