If we live "for Christ" as Christians are supposed to do, then we will not engage ourselves in anything that we could not picture our Lord engaging in. The apostle Paul wrote: "Finally, brethren, whatever things are true, whatever things are noble, whatever things are just, whatever things are pure, whatever things are lovely, whatever things are of good report, if there is any virtue and if there is anything praiseworthy--meditate on these things" (Philippians 4:8). I want to encourage us to take a step back and honestly look at what this passage of scripture is telling us. That which is "true", "noble", "just", "pure", "lovely", "of good report", that is what we are to meditate on.
When Christians allow themselves to be influenced with worldly things and often times being led astray by so called "friends" who do not have our soul's interest at heart, then we are not truly meditating on the things that Paul just spoke about. We cannot be the right example to others when we are practicing anything that is displeasing to God. Why is it that the Lord's church is not growing as it should be today? Perhaps you can suggest a few reasons in your comments. But I will say that one main reason we are not growing is because the Christians that make up the church are not always living their lives as God would want them to live and as a result it sends the signal that there are many hypocrites in the church.
Paul did everything he possibly could to ensure that he was living "for Christ." He was so confident in his life's service to Him that he said "Imitate me, just as I also imitate Christ" (1 Corinthians 11:1). Can it truly be said of us that we are really imitating Christ?