Most of the time, people think that they have control over the sin in their lives. They think “I can just do this a little bit” or “I can stop whenever I want to”... But the truth is sin, sin is the master and you are the slave, not the other way around. Sin has a way of permeating every aspect of your life. Where you think it's hurting in one place, it's hurting you in two more places. You can try with all your strength to overthrow your master... But you can't, you need Christ and His saving grace to overcome your sin.