From S.F. Opera to the Rickshaw Stop, presenters struggle to take their patrons’ emotional temperature about reentry Lily Janiak and Joshua Kosman April 14, 2021Updated: April 15, 2021, 7:21 am Krystyna Finlayson shows off the theater tickets she has kept on March 31, 2020, in Walnut Creek. Photo: Santiago Mejia, The Chronicle In normal times, Walnut Creek theater patron Krystyna Finlayson sees 10 to 15 plays a month. So when playhouses reopen after being dark for more than a year, she vows to be there. “I want to go back today,” she says. “I want to go back yesterday.” Vivien Sin of San Francisco is more cautious. Before the pandemic, she saw approximately one play per month. If a theater opened its doors to her right now, she says, “I would ask a bunch of questions: How big is the crowd? Would we be seated in a socially distanced way?