If freedom of speech is absolute, how come it's not applied for private spaces and for the Internet?

No freedom is absolute.

Revealing classified information

Trade secrets

How do you respond to "I don't like you anymore"?

You have freedom of speech. If I loan you my computer, I can tell you not to use it for certain things, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.

False advertising

Conspiracy

My husband asked me why do I keep on complaining about him cheating. Why don't I just leave?

Fraud

Threats of violence

Terroristic threats

What is the best way to keep my vagina clean and fresh?

HIPAA violations

That’s what it is. You have no right to use other people’s stuff. If people let you use their stuff, they can tell you how you can use it, and they can tell you to stop using it any time they want.

Freedom of speech does not apply to:

Why does a lot of the YouTube community support the MGTOW movement?

Insider trading

You have freedom to travel. If I loan you my car, I can tell you not to take it out of town, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.

Revenge porn

Trump's "They're Eating Cats and Dogs" quote has become a meme. Would this help him get elected? I hope you can be impartial when responding to this question. Thank you

Perjury

And much, much more.

Child pornography

Kelley Wolf hospitalized by officers 'against my will' days after revealing divorce - USA Today

Insurrection

If you’re wondering why free speech doesn’t apply to the internet, it’s because you have no right to use other people’s stuff for free.