Editor’s note: This review was originally published during the 2025 SXSW Film & Festival. Greenwich Entertainment will release the film in theaters beginning Friday, May 15. Oh, to be a fly on the wall during the writing process that sparked Katie Aselton’s fourth directorial effort, “Magic Hour.” Written alongside her real-life husband (and fellow filmmaker) Mark Duplass, Aselton has made it clear in press materials that the film, about a lovin…