The first play of the Public Theatre’s 2018-2019 season, “Things My Mother Taught Me” by Katherine DiSavino, opens at 7:30 p.m. Friday. Doors will open at 6:30 p.m. for the Opening Night BREWHaHa, featuring free beer beer sampling, courtesy of Baxter Brewing Co. Pictured in this still shot from the production, in rear from left are Mark Cartier, Carter; Donnah Welby, Karen; Glenn Anderson, Max; Bill Van Horn, Wyatt; and MarTina Vidmar, Lydia; in front are Caroline Portu, Olivia, at left and Kelsey J. Nash, Gabe.