Alissa Simon Film Critic With “My Love Affair with Marriage,” animator Signe Baumane creates another dense personal narrative that expresses complicated concepts and ideas in images. Stuffed with irony, humor, Soviet history and musical numbers, her ambitious second feature (following 2014’s festival hit “Rocks In My Pockets”) boasts 30 singing and speaking characters (including a talking neuron that explains the biochemical processes of the brain) and about 200 non-speaking ones.