Getting married. Is it better to file taxes 'single' or 'jointly'?

I am a CA resident. Can you please explain tax implications or things I should consider when filing taxes. Combined, we make over $100K annually. Also, I am working on catching up with past taxes due because I filed incorrecly for a few years. In the past, I remember hearing some couples say they were happy... show more I am a CA resident. Can you please explain tax implications or things I should consider when filing taxes. Combined, we make over $100K annually. Also, I am working on catching up with past taxes due because I filed incorrecly for a few years.

In the past, I remember hearing some couples say they were happy NOT getting married for tax reasons. (Maybe they made too much money?)
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