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Former Vice President Joe Biden is hopping on the defensive.

After months of gaffes on the 2020 campaign trail prompting even his brain surgeon to chime in and defend his mind, Biden made a pointed comment about the state of his brain over the weekend. "I want to be clear, I’m not going nuts," Biden said during a campaign rally in New Hampshire — a comment that surely extended beyond the confusion he was trying to clear up at the time, the Los Angeles Times reports.

Biden made the declaration while speaking to supporters at New Hampshire's Loon Lake, defending his inability to remember just where he'd spoken at Dartmouth College a few hours earlier. "I'm not sure whether it was the medical school or where the hell I spoke. But it was on the campus," he said, looking at the gathered reporters as he did it, per the Times.

The obviously defensive comment comes after months of Biden stumbling over some pretty important details at campaign rallies, namely the locations of two mass shootings earlier this month. There's also the time Biden said "poor kids are just as bright and just as talented as white kids" in front of the the Asian & Latino Coalition in Iowa. Yet the man who performed surgery on Biden three decades ago following two brain aneurysms agrees with the 76-year-old's weekend comment, saying that he's clearly "as sharp as he was 31 years ago."