I love betty brown's mother I hope it's not against the law I just love betty brown's mother Though she is my mother-in-law No i've never been unfaithful I've been a one woman man Now i don't want to sound ungrateful But i'd like to extend my family plan I love betty brown's mother I hope it's not against the law I just love betty brown's mother Though she is my mother-in-law I know this is a risky business And i dare not upset the wife The older woman it pleases To the younger's a danger in life I love betty brown's mother I hope it's not against the law I just love betty brown's mother Though she is my mother-in-law 'when betty brown hear this sound She's gonna think i'm a clown And i don't want fo' she to put me down But i had to bring myself around to tell her'