Vermont Sen. Bernie Sanders said Monday that he is standing by Graham Platner in the wake of media reports that the Maine Senate candidate previously exchanged sexually explicit text messages with several women while he was married.

Platner, a Democrat, posted a video over the weekend taken by his wife, Amy Gertner, who reportedly told his campaign of the text messages last year. In the video, Gertner decried coverage of the issue as “gossip” and said “being married is hard.”

Sanders, a critical early backer of Platner, told The Associated Press on Monday that he still supports the oyster farmer and combat veteran, who hopes to unseat veteran Republican Sen. Susan Collins.