It's that the 2 socks didn't enter the equation at all . It's a slippery concept. Hard to grasp, even harder to accept. Not to hate the sin, but to not even see it. And that's the mystery, folks.
Christians call it Grace.
Other faiths use other names. And if you have trouble understanding it, don't fret. You're in good company. Just take a look at the Bible. The people writing that sucker couldn't figure it out most of the time either.