Coral, many people expect to feel differently when they decide to give their live to Christ. It's a lot like when you fall in love with someone. You expect the feeling to last a lifetime. They don't.
Just like marriage, you have to work at what you feel you need to change in your thoughts and your actions. Some changes don't come easy. You feel they don't fit You. This is when the Holy Spirit will nudge you, as He has me, and either you think about it constantly or some other way will feel uncomfortable.
Giving your life to Christ, or "being saved" isn't the same for everyone. It's a very personal thing. God/Holy Spirit meets you exactly where you are at the time. He knows your needs better than you do. He will work with/on you where you need it the most and in a very personal way.
IMO, I think Sky was telling you that "once in Grace, always in Grace"... or something like that. "What can separate us from the love of God?" Nothing! IMO, you are searching for knowledge and understanding... for comprehension of the Truth. Like Sky has also posted (not sure where ATM) "Lean not on your own understanding." If you open yourself to the leading of the Holy Spirit, He will show you the way, give you that comprehension.

It's your chose, however. Remember that.
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.