Sen. Lindsey Graham Lindsey Olin GrahamSenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE (R-S.C.) has some advice for people talking to President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE: Stay positive.

Graham, who has emerged as a close ally of the president's, recently told Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellFEC flags McConnell campaign over suspected accounting errors Poll: 59 percent think president elected in November should name next Supreme Court justice Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE (R-Ky.) that he needs to "keep positive" during his interactions with Trump, according to The New York Times.

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The newspaper, citing a senator who overheard the exchange, reported that Graham told the GOP leader that "you got to keep positive, get in fast and get out fast" when talking with Trump.

“Your biggest problem is that he thinks you only call him with bad news,” Graham reportedly continued in his advice to the Senate leader.

While McConnell is known for being strategic and tight-lipped about his plans, Trump uses Twitter to weigh in on topics at any hour. McConnell has told reporters that he's "not a fan of the daily tweets," and routinely declines to comment on Trump's most recent series of posts.

But McConnell, like Graham, is up for reelection in a state won by Trump during the 2016 election and where the president remains popular heading into 2020, when the White House and control of Congress are up for grabs.

McConnell and Trump have largely stuck together publicly on policy, including the recent fight over the president's emergency declaration to construct the U.S.-Mexico border wall.

The Kentucky senator also led Republicans earlier this month in changing the rules to reduce the amount of time it takes for the Senate to confirm most of Trump's nominees.