Sen. Marco Rubio, R-Fla., received an endorsement for his potential presidential run: his family.

In an interview with the National Journal, Rubio confirmed he's considering a run for the White House in 2016, but one issue could hold him back: his U.S. Senate seat.

"I understand that running for the presidency requires you to make that decision soon enough so you can put together a campaign, and I'm confident that we'll be able to do that if that's the decision I make," Rubio said in an interview with National Journal on Friday. "But I haven't made the decision yet."

According to Rubio, his family has understood the potential consequences about a presidential run, or "the sacrifice it entails" even for the next eight years in office, if he wins both presidential elections.

Rubio also dismissed potential fundraising struggles from fellow potential Republican presidential candidate Jeb Bush, former governor of Florida.

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Bloomberg Politics reported Bush's goal is to raise $100 million during the first quarter this year with hopes "it could scare off potential primary opponents." Rubio said Bush is capable of raising the $100 million and "maybe even more."

"As I've said, if Jeb Bush runs for president he's going to be a very formidable candidate for multiple reasons -- including the ability to raise money," Rubio said.

"But I'm confident that if I make the decision that the best place for me to serve our country and achieve the agenda of restoring the America Dream is to be president, I'm confident that I can raise enough money and put together an organization that will give me a chance to win."

Florida could be an issue for Bush and Rubio due to connections with top fundraisers and networking.

"We were close," Rubio said. "I mean, we didn't socialize and go to the movies together and that sort of thing. But he's someone who I've worked with very closely throughout the years."

The Florida senator said he still has interactions with Bush, namely email and phone, and both have a "very good relationship."

Meanwhile, Rubio is scheduled to visit New York City for a fundraiser hosted by GOP supporter Wayne Berman. The fundraiser, scheduled for Jan. 13, coincides with Rubio's book release, "American Dreams: Restoring Economic Opportunity for Everyone." According to an invite, it will cost $2,600 to attend the fundraiser while $5,200 will cost an attendee to join the dinner committee. Attendees could become co-host of the event if they donate $10,200.

The money for the fundraiser will be for the Rubio Victory Committee, which is the Florida senator's political action committee and re-election campaign venture. The funds, however, could be transferred to a presidential campaign.

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