I've tried several varieties of sex. The conventional position makes me claustrophobic and the others give me a stiff neck or lockjaw.
Source: Quoted in: Lee Israel, Miss Tallulah Bankhead (1972).
-- Tallulah Bankhead, (Jan 31 1903-1968), US actress; She was a flamboyant, husky-voiced actress best known for Broadway's The Little Foxes, 1939.