One time, I had a very large foster dog with a very thick white coat. Like most fosters who come in off the street, there was no way of knowing her true breed. Was she white Shepherd mix?

The New York City native has gone viral on TikTok for carrying her large white samoyed dog, Lumi, on the subway — with one video racking up a whopping 1.4 million views. When asked why she does ...