Editors’ note: Texas Monthly Presents is a new docuseries airing on Texas PBS stations. Check your local listings, or watch full episodes here. Death is a certainty in life, and, as contributor Dina Gachman says in the latest installment of Texas Monthly Presents, “we must all learn to walk with grief.” The fourth episode features two stories that examine the role of grief in our lives. Gachman profiled musician Ben Kweller after the tragic death of his teenage son, Dorian, a fellow musician. In this episode, she recalls Kweller’s heartbreaking journey as he decides to face his grief head-on. Paired with this story is one from staff writer Sasha von Oldershausen, who ventures into Brewster County to reconnect with a friend who helped inspire a 2023…