There’s a wonderfully simple emotional appeal embedded in the opening of “I Don’t Understand You,” a comedy from co-writer-directors Brian Crano and David Joseph Craig. Well-meaning, well-off gay couple Dom and Cole (Nick Kroll and Andrew Rannells, respectively) are eager to adopt a baby. In watching them record an appeal video — selling themselves as fit parents to an unknown mother — you want the best for them. It’s a heartrending, nervous-laughter scene: Are they sincere without being desperate? Charming yet not edgy? In between the stops and restarts, they both wittily let off steam about the absurdity of the process.
How hard does it have to be for willing adults in a loving relationship to start a family? That’s where “I Don’t Understand You” devotes its more darkly humorous energie