I was taught not to put my elbows on the table when eating, but I have decided that as long as I don’t encroach on my fellow diners’ space, this is not a problem. Not sure what everyone else thinks though! I could definitely be persuaded to change my mind on this if the majority of people would be horrified by this lack of manners.
YABU - you should never have elbows on the table
YANBU - elbows on the table is no big deal these days