SINGAPORE – Where can you sing or cry without receiving judgment?Do it on a public bus and you risk being filmed and shamed on social media. Since the new transit conduct rules took effect on Sept 23, you might even cop a fine of $500 for disruptive behaviour on a public bus.Do it at your open-plan office desk and your colleagues will think you have lost your mind.If you can avoid awkward eye contact with fellow motorists at traffic junctions, the car cabin remains one of the last true private sanctuaries outside the home where you can decompress.Screaming in the…