Most Helpful Guy
I think it's pretty common knowlegde, but in my opinion a retarded rule.
I can find no scientific basis for it; on the contrary I found an article pointing out that it doesn't correspond to what people actually find socially acceptable. Also, it obviously works differently according to which age you are.0THIS IS NOT RELEVANT ANYMORE
Most Helpful Girl
No, but that's quite interesting. Never heard of it before0THIS IS NOT RELEVANT ANYMORE