Actress Chrissy Metz says her stepfather abused her and humiliated her about her weight

Her "This Is Us" alter ego, Kate Pearson, has dealt with plenty of hardships, and in real life Chrissy Metz has had a harrowing past of her own. The actress, 37, opens up in her new memoir, "This Is Me," about growing up in poverty and enduring painful physical and emotional abuse at the hands of her stepfather.