Dolly Parton says the secret of her happy marriage is not having children. The '9 to 5' singer wed Carl Thomas Dean in May 1966 and she credits their successful 46-year union to the fact they have no kids and are financially comfortable. Speaking about the reasons they have been together so long, Dolly said: ''Mutual respect, shared interests and the fact … [Read more...] about Dolly Parton – No Kids, Strong Finances Make for Happy 46-Year Marriage to Carl Thomas Dean