But the “Tonight Show” host used a more grown-up baby as a cautionary tale ― President Donald Trump.

“Having a newborn can be tough,” Fallon said. “When they’re born, they come out screaming, you know, like...” And a clip of Trump screaming appeared.

“They can be up all night and then they’re sleeping all day, you know, like...” And a snippet was cued up of Trump appearing to fall asleep at a Cabinet meeting.

The Vances already have three children, but Fallon warned of other problems the second couple might face. They’re all illustrated in videos of the president.

Fast forward to 3:31 to find out what they are: