One of the first things we learned about San Francisco 49ers quarterback Colin Kaepernick when he stepped on to the national scene last year was that he loves his haters.

After scoring a touchdown, Kaepernick would kiss his tattooed biceps, a clear message to the critics who think his body art is excessive. The celebration became known as "Kaepernicking."

Now Kaepernick is facing some more adversity. His 49ers are off to a 1-2 start, and he has struggled to produce at the same rate as last year. Naturally, Kaepernick is receiving lots of hate on Twitter. And he loves it.

The 25-year-old has been favoriting all the spiteful tweets he's received, Here's a sample:

It's not uncommon for athletes to feed off negativity. LeBron James did it during his first season in Miami. But it is unusual for an athlete to go out of his way like this for his critics. You've got to hand it to Kaepernick for his unique use of Twitter. There's a reason he was voted onto's list of 100 sports figures to follow.

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