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In a telling new interview, Levi Johnston opens up about what his one-time future mother-in-law and former Republican Vice President hopeful Sarah Palin was really like behind closed doors and how she wanted to adopt his and Bristol Palin's baby so that the young couple "didn't have to worry about anything."

"She told me that once Bristol had the baby she and Todd would adopt him," he says in the upcoming issue of Vanity Fair. "That way, she said, Bristol and I didn't have to worry about anything. Sarah kept mentioning this plan. She was nagging -- she wouldn't give up. She would say, 'So, are you gonna let me adopt him?' We both kept telling her we were definitely not going to let her adopt the baby. I think Sarah wanted to make Bristol look good, and she didn't want people to know that her 17-year-old daughter was going to have a kid."

Levi goes on to say that after losing the election, Sarah started to express how she'd rather not be the governor anymore.

"Sarah was sad for a while," he says. "She walked around the house pouting. I had assumed she was going to go back to her job as governor, but a week or two after she got back she started talking about how nice it would be to quit and write a book or do a show and make 'triple the money.' It was, to her, 'not as hard.' She would blatantly say, 'I want to just take this money and quit being governor.' She started to say it frequently, but she didn't know how to do it. When she came home from work, it seemed like she was more and more stressed out. It seemed like she couldn't handle the job anymore. I think that she was just through with it all, or that she'd become used to getting everything she wanted handed to her. She'd rather take the money and keep that kind of lifestyle. When a magazine offered six figures to be at the hospital when Bristol gave birth, she said yes at first but then told us not to do it."

Meanwhile, Levi says that the Palin family home was not as ideal as it seemed.

"The Palins didn't have dinner together and they didn't talk much as a family," he tells the mag. "Throughout the years I spent with them, when Sarah got home from her office -- almost never later than five and sometimes as early as noon -- she usually walked in the door, said hello, and then disappeared into her bedroom, where she would hang out. Sometimes she'd take an hour-long bath. Other times she sat on the living-room couch ... watching house shows and wedding shows on TV. She always wanted things and she wanted other people to get them for her. If she wanted a movie, Bristol and I would go to the video store; if she wanted food, we'd get her something to eat, like a Crunchwrap Supreme from Taco Bell. She'd try to bribe everyone to clean the house, or give us guilt trips. She used to make Bristol feel bad by telling her that she did everything for her. This was unfair because, even before the campaign, Bristol was already the mom in the house, and she got tired of having to take care of her siblings."

For more on the revealing article, check out the October issue of Vanity Fair, on stands now in L.A. and New York and nationally on Tuesday.