That is why we need to look up to God.
Be careful with lust its just sexual immorality and not love.
The world will tell you its okay to look at the naked woman/man as long as you only look and don't touch, that is wrong ways of the world.
The world will say that its ok to have sex before marriage as long as you love each other, marriage is just a contract with a piece of paper, = also wrong Remember God said wait and be pure before marriage.
Keep in mind, Bad company corrupt Good character. Be very careful who to imitate.
1 Corinthians 3:19 For wisdom of the world is foolishness with God. For it is written, "He catches the wise in their own craftiness".
Be careful of imitating the world.
Be careful in giving counsel. And seeking counsel. Not to follow what the world does. Do not run to somebody who is not going to Give Godly counsel or not standing up for what is right and good.
Don't be alone with person with opposite sex, be cautious, you play with fire and you get burn.
The world will talk about "there is no absolute right and no absolute wrong". And Evil and wrong is just a state of mind, there are no morality nor God. These are the ways of satan - will always find ways to make people confused to follow the modern way of living, to follow what most corrupted mind people are doing, and the world is doing "making right wrong and wrong right", satan will always find ways to let humanity fall in the trap of hell. Don't be one of them.
Remember the road to Heaven is narrow and the road to hell is wide.
Go to God's word read the Bible (Basic Instructions Before Leaving Earth) and find the good example. Imitate good not evil.