Canada didn't have to beat Team USA in the Olympic men's hockey semi-final before triggering a rivalry that has simmered since we won in 2010.

A rivalry that sparked the "F***Canada" hashtag on Twitter.

The hostility began Thursday, after Canada beat Team USA in women's hockey

We took it in stride

The Canadian women prevailing didn't stop the cross-border resentment from returning on Friday

Some of us were offended

Some of us were petty

Others made a joke of the whole thing

In the end, it's just a game. But if we can be serious for a moment...

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