“I love you,” the small-town Baptist pastor tell his son, “but we cannot see a way that you can live under this roof if you’re gonna fundamentally go against the grain of our beliefs.” And when 19-year-old Jared admits to his folks, “I think about men — I don’t know why,” he is faced with an ultimatum: Attend a conversion-therapy program – or be permanently exiled and shunned by his family, friends and faith. Here’s the first trailer for Boy Erased, starring Lucas Hedges…