It can come across as offensive.

Ok what does that mean? What specifically will it do to your identity and your relationship with those offended? How would it alter the way those people interact with you? Would they relegate you to the status of tolerated acquaintance? Would it make them reluctant to introduce you to their significant other or their family or their boss?

Kyle, Susan, Allie, Whitney S. : China and Proxemics

Really nice work on this discovery: women's interaction with women and women's interaction with men are most similar in American culture, and men's interaction with men is the most different, whereas in Chinese culture women's and women's and men's and men's are the most similar, where mixed interactions are the most different.