You said don't know to questions about touching or kissing someone

This means...

If you  don't know  what they want or they say no to you touching or kissing them in a sexual way.

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Do not touch or kiss this person.

The law says you can not touch or kiss someone's penis, vagina, bottom, breasts or anus if they do not want you to.

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The person can then report you to the police for touching them without their consent.

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