From show creator Tom Perrotta (who also wrote the novel of the same name that the series is based on), the HBO seven-episode limited series Mrs. Fletcher is a dual coming-of-age story chronicling the personal and sexual journeys of empty-nest mother Eve Fletcher (Kathryn Hahn, in a stand-out performance) and her popular-jock-turned-college-freshman son, Brendan (Jackson White). They both embrace their newfound freedom in different ways, with Eve learning what it means to be a mid-40s single mom and Brendan learning that adulthood is a bit more complicated than he expected. …