Idk how else to react.

Then please be careful.

Many decades ago my mother advised me to ignore the approach of any man I didn't like.
Overtime, I learned that was a dangerous tactic - that many men didn't recognise silence and non-response as a clear no.

I learned that a polite and serious "no" or "no thanks" works best. It leaves him in no doubt.

I also found it worked well to tailor my response to the tone of his approach. If he was rude and sexist, I responded in kind. If they were builders on a site I had to pass everyday, I spoke to the foreman and threatened to inform the police.

If they got physcial, I kicked HARD.

If he was kind and approached in a decent way, I showed him the ring on my left hand.

Like what?

I find some people just can't be reasoned with. Not much use in talking to people who probably don't have sense enough to listen anyway

So when that happens you behave like a disturbed chicken?