It’s hard to live in a fancy mansion with Blythe Danner taking care of you and young men throwing themselves at you. It’s just hard. Melanie Lynskey stars as Amy, a newly divorced woman who finds herself falling for a 19-year-old family friend — played by Girls’ Chris Abbott. What is it about that guy that says “get me into a power-imbalanced relationship� Hello got mixed reviews at Sundance but opens in September.