In an emotional 1,100-word Facebook post published Friday Sheryl Sandberg reflected on her first year as a widow and single mother "Before, I did not quite get it I did not really get how hard it is to succeed at work when you are overwhelmed at home," Sandberg writes in her post While the post was deeply personal Sandberg devoted much of it to honoring single mothers. The Facebook COO lost her husband Dave Goldberg in May 2015