Communal cuisine

I went to somebody's house the other day of an interfaith couple. I was offered beef and I was rather surprised by that, even if both parties were irreligious I would have thought that beef would be as eschewed as pork.

I doubt that the children of the marriage (though nominally spiritual not religious) would be fed pork at home though they were happily served beef.

Since my engagement I've pretty much stayed away from beef since even though my fiancée is an atheist I know she really doesn't take to beef. It's the same hangup that I have towards pork products even though I consume them (in the back and dark atavistic recesses of my mind it's still an unclean meat).