"Whatever" -- that's how the actress Maria Bello describes her sexual orientation. Her "love who you love" attitude toward sexuality, regardless of gender, is often referred to as fluidity. Maria joins the Sugars this week to discuss a couple of letters having to do with the confusion and complications that can accompany a shift in one's sexual preferences and partnerships. She wrote about the evolution of her own family structure in her 2013 Modern Love column for The New York Times, "Coming Out As a Modern Family," which she later …