Sen. Rand Paul (R-Ky.) in March  2011 in Washington, D.C. (Brendan Hoffman/Getty Images)

Sen. Rand Paul (R-Ky.) suggested Friday that he wants to run for president in 2016, but he said that he's first got to convince a very skeptical wife.

Paul was asked about running for president after a speech at the Detroit Economic Club, which led him to ask, "Can I call my wife?"

"There's two votes in my family," he said. "My wife has both of them. Both of them are 'no' votes right now."

Paul added: "So if I'm a very able politician, I'll tell you in a year whether I'm able to persuade my wife. Right now, I don't know yet."

Paul has made little secret of his interest in running for president, and his wife has made little secret of her apprehension. In a Vogue profile in September, Kelley Paul said she worried about the "character assassination" that awaited her husband.

"When I think of the tens of millions of dollars in opposition research that they’d be aiming right at us and our family — that’s what it’s about," Kelley Paul said of her apprehension.