Donald Trump's hair has been a comedic gold mine for late-night talk show hosts since ... well, pretty much forever.
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On Thursday, Jimmy Fallon got to touch it on。 The Tonight Show。.。

Fallon asked the Republican presidential nominee -- fresh off visiting Dr. Oz and terrifying a little girl in Flint, Michigan -- if he could touch his hair. 。

Trump paused, apologized to the people of New Hampshire (where he was headed next), and finally agreed.。

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Tweet may have been deleted。 And so, Fallon reached out and mussed the candidate's hair, which。didn't。

fly off, come alive, or turn Fallon to dust. 。

It was a fun, light-hearted moment of television that humanized Trump -- which is exactly what some people weren't happy about.。

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While Trump seemed like a good sport on the show, he reportedly didn't let members of the press pool photograph his hair afterwards -- perhaps because he kind of looked like a Troll doll.。 Democratic presidential nominee Hillary Clinton will visit 。Democratic presidential nominee Hillary Clinton will visit。