This week: Stephin Merritt’s attraction to love… Actress Amy Brenneman adjudicates listener etiquette… A vengeful lunch with Joel Stein… an Alkaholic drink… Neil deGrasse Tyson defends space… Bill Plympton’s favorite animation… and a 3-song prescription from Dr. Dog. Plus: Aggie yells, a Dinner Party Timeout, and a cross-word joke from singer Cate le Bon.