Pete Davidson pens personal message about suicide, mental health in the aftermath of Ariana Grande split

Pete Davidson is standing up for himself after enduring months of public criticism before, during and after his relationship with Ariana Grande.

The "Saturday Night Live" comedian, 25, posted a lengthy personal message on Instagram Monday addressing the onslaught of commentary he's heard both online and in-person.

"I've kept my mouth shut. Never mentioned any names, never said a word about anyone or anything," Davidson said. "I'm trying to understand how when something happens to a guy the whole entire world just trashes him without any facts or frame of reference."

Davidson noted that he's spoken openly about borderline personality disorder and being suicidal "in the hopes that it will bring awareness and help kids like myself who don't want to be on this earth."

"I just want you guys to know. No matter how hard the internet or anyone tries to make me kill myself. I won't," he said.

The note comes three days after ex-fiancée Grande released a music video for "Thank U, Next," during which she identifies Davidson by name as she journals about him in a "Burn Book."

In the video, Grande pastes a photo of herself and Davidson into the book. Davidson's face is covered with stickers, but his name is clearly written on the page.

The ex-couple got engaged in June 2018, less than a month after reports emerged about their budding relationship. After a whirlwind and publicity-heavy few months -- they individually discussed the romance during appearances on the "Tonight Show," "Late Night," "The Howard Stern Show," and, of course, "SNL" -- they called off the engagement in October.

The bullying, Davidson said, has in fact been going on for nine months, preceding his relationship with Grande. He made headlines early in the year after posting and deleting Instagram Stories about his mental health, including some directed at then-girlfriend Cazzie David.

At the time, he wrote, "I'm really sad and in intense pain. Nobody should have to live like this."

David and Davidson dated for two years before splitting in May 2018.