Sorin,
If I had to live my 20's over again I don't think I would survive it. God used to shower me with love in the beginning and then the lessons started getting harder and the way he manifested his presence changed in my life. He started teaching me to walk by faith and not by sight. He started changing my desires. It was a painful process and still is. He is not going to allow any desire that is not of him to remain.
Mark 12:30
And thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind, and with all thy strength: this is the first commandment.
I remember it getting so hard once that I just shouted out "Stop staring at me!" It was 10 years after that before I felt his presence again. I knew for sure I had committed the unforgivable sin. I felt like he abandoned me and I was doomed for what I said to him. He did not abandon me. It was all in his plan. During that time I held onto everything I believed by a string. It was a very hard lesson in faith.
Ray said we choose from our desires and we can't change what we desire. I couldn't change my desires that lead me into sin, but God could and he did and he is still working on it. He will drag you. I went kicking and screaming. I am the most stubborn person I know. I pray often the God forgives me of the sins of my youth when my desires and my sin were in opposition to the will of God in my life. There was a time when I wasn't aware of it and then there was a time when I was aware and couldn't change it. He just kept dragging.
John 10
27My sheep hear my voice, and I know them, and they follow me:
28And I give unto them eternal life; and they shall never perish, neither shall any man pluck them out of my hand.
29My Father, which gave them me, is greater than all; and no man is able to pluck them out of my Father's hand.
Philippians 1
6Being confident of this very thing, that he which hath begun a good work in you will perform it until the day of Jesus Christ: