Nia Long, star of Tyler Perry's "The Single Moms Club," is opening up about working with her real-life son, Massi, in the film. The actress revealed to "The Insider" that it broke her heart when he had to cry during the film. She told about filming the scene where her son runs away. "I mean that moment, where I say, don't ever do this again, was so real for me," the actress said. "I'm putting myself in the position of what if this really happened, what if he was really missing."