Excerpt from this article: https://www.nbcnews.com/politics/white-house/biden-white-house-adrift-rcna30121

Biden grouses that Republicans aren’t getting their share of the blame for legislative gridlock in Congress, while he’s repeatedly faulted for not getting his agenda passed.

The president has also told aides he doesn’t think enough Democrats go on television to defend him. A particular sore spot is his slumping poll numbers; he’s mystified that his approval rating has dropped to a level approaching that of his predecessor, Donald Trump, ranked by historians as one of the worst presidents in history.

“He’s now lower than Trump, and he’s really twisted about it,” another person close to the White House said.