Family is a big theme in this episode. As Nomi is giving a beautiful and moving maid of honor speech for her sister at the rehearsal dinner, she says the lines, "What family actually means..." which is also the title to the episode. See more
The night before I went into the hospital was the longest and the loneliest I've ever felt in my life. But no one stopped me. When I woke up the first thing I felt was Teagan's hand holding mine. Her smile was the first thing I saw. And her voice singing "Happy Birthday" was the first thing I heard. It was in that moment my sister taught me what "family" actually means.