That law of sin and death is that sin breeds sin. That, too, is the principle of the law of sin and death. There is no such thing as a sin. One sin always leads to other sins, apart from the grace of God. James uses the figure in the first chapter of his epistle, verses 14 and 15, of a woman who is pregnant.
Sin brings forth more and more sin.
You know that. Every time we sin we open the way for new sins. Perhaps you can remember when you were a little child and you were tempted to steal a quarter off the cabinet in your home, or a little piece of candy, or something from the store. When you did it, you thought everyone was looking at you, and that quarter burned a hole in your pocket. Maybe they asked you and you lied.