Love takes many forms in Amazon Prime Video’s new anthology series Modern Love, and as is the case with many anthologies, this one’s a mixed bag. Based on the weekly column published by The New York Times, each episode of the show tells a different love story—a beginning, middle, and end in 30 minutes. Spearheaded by filmmaker John Carney, who writes and directs four of the eight episodes, the show is romantic in nature, but unfortunately is more akin to Carney’s muddled 2013 feature Begin Again than his more effective films Once and, most recently, the …