To be honest... i thnk it has somethign to do with the emotional attachment we have to those close to us. Only my family members get me annoying when sneezing or eating! But anyone else... i can ...

I think you need to take stock of what you have written here, placing everyone in the same basket. First off, i am 52 (not a teenage brat!!) and i find people sneezing annoyng... i am not someone ...