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"I have all the confidence in the world in his ability, in his decisiveness and his leadership skills, in his understanding of the economy, in his understanding of what's missing right now in the economy - you know, pieces that are missing to get this jumpstarted," she continued. "So for me I think it would just be the emotional part of it."

But Romney said her concerns were far greater if President Obama were to win re-election.

"I think all Americans should have a worry if he is re-elected because this economy has been under his control for the last four years, and we've seen no jobs," Romney said. "It's been a jobless recovery."

Romney was campaigning in Reno, Nev., during which she tried to appeal to voters by discussing her husband's personal side.

“One thing I know about Mitt is how capable he is,” Romney said, according to the Las Vegas Sun. “I’m here to talk to you about, not the competency, it’s about the caring piece of Mitt. I am the person who knows him best. I can tell you this man cares, that he’s got a good heart and that he does things for the right reason.”