Vendee Globe: how does one prepare for the 3-month unassisted mega sailing race?

Excitement is building, one day ahead of the start of the famous round-the-world yacht race, the Vendée Globe, setting off from France's Atlantic coast. How does one prepare for the 3-month unassisted mega sailing race? FRANCE 24’s Cédric Ferreira and Natalia Riuz Giraldo met some of the skippers, including Clarisse Cremer, one 6 women participating.