Why is it wrong to pick your nose in public?

How do you feel when someone close to you picks his/her nose? Irritated? Okay, BOOGERS,whatever you call it, is that icky, sometimes-green, slimy stuff that fills up your nose. Sometimes you have to pick it out else it wont go away. I remember my mum used to tell me not to pick my nose because it was very unhygienic, except you wash you hands afterwards.
A lot of us do it.  We’re just too embarrassed to admit it. How do you feel if you see someone picking their nose? What is the best way to pick your nose in public?
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