It is to a certain degree. You don’t bring your love for milk shakes to your “business attire only” office job. You may love Hentai, but you’re not telling the person next to you during an opera visit. These are aspects of you that don’t match the occasion, so you skip that. Most people do this naturally, they don’t spend much thought on it.

Then there’s “masking” as used by neurodivergent people. That’s an entirely different matter. More info an that is over at neurodivergentinsights.