Fasting can help us to do this. The basic necessity of life is eating and we can begin to control our life by controlling our eating habits. There is another aspect to fasting. We must pray more, both privately and in common with our brothers. We must in our prayer see ourselves as the children of God who desire to return to Him through repentance.
Prayer can take the place of the late movie on TV, or the evening card game, etc.
Prayer can help us to see ourselves as the sinners we really are, and not the saints that we think we are. Let us all make the great fast this year spiritually profitable.