We can choose many things in this world to focus on that will wind up corrupting the soul. One such focus is an extreme focus on our bodies. We are simply not to be body focused—comparing ourselves to others.
Colossians 2 taught us that man-made rules do not work, and the following passage from Colossians 3 teaches us what God’s rules are and then backs up how quickly we can choose to stop indulging. I recommend—and I have seen it work wonders—to read this chapter every day until you have it memorized in your heart...
You are not a failure—no one can maintain man-made rules for any length of time because they run against the body’s natural eating, and underneath they are increasing the self-focus and greed. It is inevitable that you will eat more and gain more in the end...
People focusing on their own looks often claim they hate their body. But Paul tells us in Ephesians 5:28-29: “In this same way, husbands ought to love their wives as their own bodies. He who loves his wife loves himself. After all, no one ever hated his own body, but he feeds and cares for it, just as Christ does the church...”
The world may applaud outward beauty, but they are attracted to righteous people who are a light in this dark world. Jesus had no appearance that men would desire (Isaiah 53:2b), however, look at how the world has flocked to him and his teachings. Jesus taught the love of God first, and then love of man, in that order. It is not about how you look but what you give back - your response to the love you have been given...
We are to take care of our body, and it should not be abused. We must do the best we can. We are to glorify God with what we have been given just as all the animals do. However, we are not to obsess over looks. Do your best, and then forget your looks and show concern for others...