When asked Thursday what he and Barack Obama chatted about earlier at former President Jimmy Carter’s funeral in Washington, D.C., Donald Trump declined to go into details—but said he didn’t realize how friendly the exchange appeared to those watching.

The former president and once-again-future president, who are historically something less than besties, chatted it up before the service began. (Michelle Obama was not in attendance.)

“Former First Lady Michelle Obama is not in attendance at President Carter’s National Funeral Service," according to the statement from spokesperson Crystal Carson. "Mrs. Obama sends her thoughts and prayers to the Carter family, and everyone who loved and learned from the remarkable former President.”

Trump is obviously no fan of Biden, but Obama and his veep also have a famously complex relationship, only made more so after Obama helped nudge Biden to quit the presidential race last summer. Surely Obama feels some frustration that Biden fumbled a possibly winnable race; maybe he couldn’t help spill to his sworn enemy?

After Trump launched his bid for his first term in office in 2015, Obama, then-president, mocked his chances of ever assuming the nation’s office. The incident, which occurred on a late-night comedy show, went viral after Trump went on to win the presidency not once but twice.

"Former First Lady Michelle Obama is not in attendance at President Carter’s National Funeral Service,” Michelle's rep Crystal Carson added to People. “Mrs. Obama sends her thoughts and prayers to the Carter family, and everyone who loved and learned from the remarkable former president."

The handshake happened almost four years to the day when Trump supporters called for Pence's execution during the Jan. 6, 2021, Capitol attack.

Former first lady Michelle Obama did not attend President Jimmy Carter's funeral at the Washington National Cathedral — and social media took note.