She slid into "a frenzy of closet cleaning", long walks in the woods, yoga and "my share of chardonnay", she said. "She's doing harm to all of us because of her own selfishness". "I thought a lot of his appeals to voters were deplorable".
"I just went into the bedroom, laid down on the bed, i just thought 'Okay".
"I just felt this enormous letdown, just kind of loss of feeling and direction and sadness", she told Pauley about her emotions in the election's immediate aftermath.
Attending Trump's inauguration was an "out-of-body experience" and the address she heard Trump give from the platform in front of the Capitol was a "cry from the white nationalist gut", she said.
Hillary Clinton speaks during the Women in the World Summit in NY last April.
She continued,"I had not drafted a concession speech".
'I was godsmacked, wiped out, ' she said. I thought his behaviour, as we saw on the Access Hollywood tape, was deplorable. But there was one person who could help her cope: Bill.More news: United States to Deploy Four Additional THAAD Systems in South Korea
In recent weeks, Mr Trump has found himself at the centre of mounting controversy over what critics say has been his support for white supremacists and racists.
'But that doesn't mean I'm complacent or resolved about what happened, ' Clinton added. In a feisty, relaxed pre -recorded interview with Jane Pauley this morning, she also promised that she won't run for office again, but that she would remain "in politics". "And so - while I'm answering questions, my mind is going, 'OK, do I keep my composure?"
"[Former President Barack Obama] urged me to grit my teeth and lay off Bernie as much as I could", Clinton wrote of the Independent senator from Vermont.
Amanpour then asked: "So, you're saying they should be sent back now?" This is really tough. "I had no idea".
Hillary Clinton is making sure that America doesn't forget Trump's bragging about sexual assault while calling him, "a very effective reality TV star".
"What Happened" is being published by Simon & Schuster, a division of CBS.
Federal Bureau of Investigation director James Comey revealed in October 2016 that the Federal Bureau of Investigation had started investigating newly discovered emails.
Clinton will also be appearing on "The Late Show with Stephen Colbert" and "The Daily Show with Trevor Noah".