Joe Biden said ‘good sex’ is key to long lasting marriage, book on US first ladies claims

President tamped down on his public bedroom declarations' ahead of winning the presidency, Katie Rogers writes

President Joe Biden has joked to aides that the key to a long and lasting marriage is good sex," according to a new book about the nation's first ladies, that casts a spotlight on his 47-year romance with Jill Biden.

American Woman - The Transformation of the Modern First Lady, from Hillary Clinton to Jill Biden," was authored by New York Times White House correspondent Katie Rogers and comes out this week.