How should Christians redeem their regrets over past decisions?

Recently, I posted a dating ad from a 39-year-old never-married single mother. She explained that she was now a Christian and was looking for a man to marry her, so that she could have a second child “the right way”. Some people thought we should take her conversion at face value. Others thought she was desperate and looking for a financial bailout. How can we tell if she is really sincere? Well, I was still thinking about the comments on that post when I saw another great post from Laura, who w