Photo by Joe Newman.

THEATRE: The 2014/2015 season at Arena Stage is kicking off with The Shoplifters. Arena Stage (1101 Sixth Street SW) 7:30 p.m. $45-80

CHOCOLATE: Mary O’Malley, a chocolatier out of Annapolis, Md. who draws inspiration from her travels to Ireland, will teach you the dos and don’ts of wine and chocolate pairings. Gallery O on H Street (1354 H Street NE) 6:30-7:30 or 8:30-9:30 p.m. $40

BODY LANGUAGE: Uncross your arms and learn about the mixed signals you’re sending to others during this Knowledge Commons DC class taught by Chasta Piatakovas. The Hive 2.0 (1231-B Good Hope Road SE) 7-9 p.m. Free, but register here.