Partly Sunny (2012) on Netflix

Tim and his friend Can go to bars and lie to girls about one of them being terminally ill so they can gain sympathy and be guaranteed a "hook up" for the night. Tim meets Marie hooks up with her, but of course, they fall in love. However, Marie takes care of her older sister Edda who is sick and has lost the "zest for Life" and spends a lot of time in bed waiting for death to come. Although Marie still believes that Tim is terminally ill, Edda knows that Tim is faking.