Ecclesiastes 11:9
Rejoice, O young man, in thy youth: and let thy heart cheer thee in the days of thy youth, and walk in the ways of thine heart, and in the sight of thine heart, and in the sight of thine eyes: but know thou, that for all these things God will bring thee into judgement.

There are many desires in the heart of young people and there is also strength for them to fulfil their desires. Both good and evil desires come to them.
To have strength and energy to fulfil your heart’s desires is a gift from God and so it is good to rejoice in this.

Your nature determines what desires you have and obey.
If you have the nature of sin; your desires will be sinful and you will obey them.

Ephesians 4:22
That ye put off concerning the former conversation/conduct which is corrupt according to the deceitful lusts;
The desires you should have should be godly which comes when you put off that old man which is corrupt and sinful.
God will judge us according to the fruit we bear or produce.
The desires of the sinful man are deceitful. They may appear harmless, but they are very dangerous.

Repent if you are not bearing godly fruits.
Seek revival if your desires are changing from godly to desires of the flesh.