VIDEO : Warren Buffett Had An 'Unconventional Marriage'

According to Business Insider, Warren Buffett has not had a ?conventional marriage.? Buffett was married to his first wife, Susan, until she died in 2004. Yet during their marriage he lived with Astrid Menks, who he later married in 2006. Buffett?s daughter, Susie Buffett, said that ?unconventional is not a bad thing.? Apparently the three of them would even send out Christmas cards with all their signatures.