You don’t just give up on the people you love. Based on the bestselling novel by Wally Lamb,and adapted and directed by Derek Cianfrance, I Know This Much Is True premieres May 10. #HBO #IKnowThisMuchIsTrue #IKTMIT Subscribe to HBO on YouTube: https://goo.gl/wtFYd7 Based on the 1998 bestselling novel by Wally Lamb, adapted and directed by Derek Cianfrance, this limited series follows the parallel lives of identical twin brothers, played by Mark Ruffalo. A family saga, it tells a story of betrayal, sacrifice and forgiveness set against the backdrop of 20th-century America. Official Site of I Know This Much Is True on HBO: https://www.hbo.com/i-know-this-much-is-true Watch Now HBO NOW: https://play.hbonow.com HBO GO: https://play.hbogo.com Get More HBO Official Site: https://www.hbo.com/ Twitter: https://twitter.com/hbo Instagram: https://www.instagram.com/hbo Facebook: https://www.facebook.com/hbo I Know This Much Is True: Official Trailer | HBO