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'