David Joseph Craig and Brian Crano’s new film “I Don’t Understand You,” in theaters today via Vertical, is a comedy that swerves into horror movie territory midway through. But it was also an opportunity for the writer-directors — a real-life couple — to create gay characters that were more than Hollywood stereotypes.

In the film, Nick Kroll and Andrew Rannells play Dom and Cole, a couple struggling to adopt a daughter, a process that paralleled Craig and Crano’s real life. When Dom and Cole finally match with a mother eager to choose them as parents, they take an anniversary trip to Italy, where a series of miscommunications turn their conduct from clumsy to deadly. While real-life inspiration stopped once the blood started flowing in the movie, Craig and Crano were excited to bring

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