1 John 2:15-17 "Do not love the world or anything in the world. If anyone loves the world the love for the Father is not in them. For everything in the world-the lust of the flesh, the lust of the eyes, and the pride of life-comes not from the Father but from the world. The world and its desires pass away, but whoever does the will of God lives forever."
God makes it clear that we are not to love the world more than we love him. It's common in the world to satisfy the desires of your flesh. Whatever you want to do, do it! Don't worry about the consequences. Whatever you want to buy, buy it! Don't worry if you can't afford it.
Your eyes can get you into trouble as well. Desiring what you see others have, such as material possessions, physical attractiveness, anything that tempts you and pulls you away from God. Things that you become obsessed with, and believe you need to have, so you can be like everyone else.
There is also a lot of people who are very prideful. It's okay to be proud of yourself when you have accomplished something that you have worked hard for. It's not okay to have so much pride that you think that you are better than everyone else. A prideful person thinks that they do everything better than other people. They become selfish, and don't care about the needs of others.
Galatians 5:16-17 "But I say, walk by the Spirit, and you will not gratify the desires of the flesh. For the desires of the flesh are against the Spirit, the desires of the Spirit are against the flesh, for these are opposed to each other, to keep you from doing the things you want to do."
Matthew 6:22-23 "The eye is the lamp of the body. If your eyes are healthy, your whole body will be full of light. But if your eyes are unhealthy, your whole body will be full of darkness. If then the light within you is darkness, how great is that darkness!"
Proverbs 16:8 "Pride comes before destruction, a haughty spirit before a fall."
As a Christian, you live in the world, but you aren't of the world. You are set apart from the world. You have the light of Jesus Christ shining through you. Don't be afraid to let Jesus shine, be bold and choose to love the Lord more than loving worldly desires.
You don't know what impact that you will have on an unbeliever, when they see you stand firm in your convictions and choose not to do something just because everyone else is doing it. Let your love for the Lord empower you to do His will.
John 17:14-16 "I have given them your word and the world has hated them, for they are not of the world anymore than I am of the world. My prayer is not that you take them out of the world but that you protect them from the evil one. They are not of the world, even as I am not of it."
Matthew 22:37 "Jesus replied, Love the Lord your God with all your heart and with all your soul and with all your mind."