Kurtenbach: The San Jose Sharks are finally acting their age

The honeymoon is officially over for the San Jose Sharks.

For months, this young, rambunctious, and altogether infectious bunch played with house money, thumbing their collective noses at the idea of another year of rebuild futility. They pretended to be a finished product.

They didn’t know any better. And if they did, they simply didn’t care that it wasn’t yet their turn to contend for a playoff spot.

But reality remains undefeated in the National Hockey League, and right now...