"Look at that sweater (and hair)!” the New Jersey governor wrote in a Throwback Thursday post.

The picture shows Christie as a junior in high school:

And speaking of Christie...

Former Texas Rep. Ron Paul explained to CNN's Wolf Blitzer Thursday that he couldn't bring himself to cast a vote for Christie for president "because I don't think he agrees with probably anything I say."  He added: "I wouldn't do it because he offers nothing, no change, just the status qquo.  It's more big government and that's not what I've been about."

WATCH: