There isn’t an easy answer to this because there are many levels of interaction. The hostess at the restaurant probably won’t clock me, but the waiter I have a detailed interaction with probably will.
Different people also have different levels of awareness. Some people may notice some may not, so I don’t think anyone can say that they pass 100% of the time (excepting trans women from this conversation). As someone who basically can pass in most situations, the biggest “secrets” are 1) makeup. Less is NOT more when it comes to transforming your face into something feminine, and 2) genetics. Some of us have more feminine features to start.
