It is a present continuous tense. Anyone who goes on sinning has never really understood Christ and has never known him . Abiding requires obedience by faith. In Josh.3, we read of how Israel crossed the Jordan River. God told the priests to step into the water while the river was running at flood stage.
Sensual lust is a big temptation.
I've been trying to overcome overeating, to stop making a god of food. We abide in Jesus by not allowing the enemy to have a foothold in our lives. The only man who would buy it offered him half as much. He agreed to sell all of the house but a nail above the front door. Later he asked to buy the house back and was refused.