Because you never know when the quirky woman you meet might be, in reality, a terrifying goddess with the power to shapeshift - and also to utterly destroy you. Remember the Gods do walk among us when They choose and behave accordingly.

(Obviously the tale is about MUCH more than this. Just sharing a random thought. Also if you want to read this one I can't recommend @MorganDaimler's translation highly enough. https://lairbhan.blogspot.com/2015/03/tain-bo-regamna.html)

OKAY this is weird. Twitter ate the first tweet in this thread, where I talked about how I had just watched a video with @loraob discussing the Táin Bó Regamna, and how it had me thinking about the lore of strangers, and how it's important to mind your manners with EVERYONE.