Donald Trump is back to fanning the flames of his love affair with Russian president Vladimir Putin.

In a tweet (with no spelling mistakes!), Trump praised Putin's decision to wait on expelling any U.S. diplomats from Russia in retaliation to President Barack Obama's sanctions announced Thursday.

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The Russian foreign minister had made it very clear the country would not take Obama's decision lying down, but then Putin stepped in and told everyone to calm down and wait for Trump's arrival in three short weeks.

This apparently prompted Trump to pull out his favorite megaphone, Twitter. Before Putin's "delay" was announced, Trump on Thursday released a fairly benign statement about meeting with intelligence officials soon. He hadn't tweeted anything about Russian relations and the report of cyberattacks affecting the U.S. election.

Trump even pinned the tweet to the top of his Twitter feed so nobody will miss how Trump "always knew he was very smart!"

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The missive was also retweeted by the official U.S. Russian Embassy account. The UK Russian embassy has yet to post a meme about Friday's exclamatory note.

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A quick search through the Trump Twitter Archive shows the president-elect has mentioned Putin by name in his tweets 48 times, including a 2012 post that criticized Putin's body language.

Fast-forward more than four years and it's all compliments now.