FYI,
This whole Alphabet People Semantics Language Game Model is pervasive, and impolite.
It presumes other private individuals are desiring to become more acquainted than they already are with others that are strangers.
Yet, while it may be true, that a stranger can become a friend you've yet to meet, not often is it ever on those initial terms of invading your privacy.
Who are they to demand possessive pronouns out of total strangers ?