While many people on this great site are great programmers and great talents I would say that no one except the OP should decide whether he should stop programming or not. Perhaps the OP should learn to do what he likes and not what other people are telling him to do.
When reading a book or tutorial line by line should be read and understood. Every example should be read carefully and researched like one is studying the holy text itself. This counts no matter what programming you are doing(scripting or engine programming). You need to be stubborn, real stubborn and persistent.
Start programming now if you feel like and stop asking others what to do. Have fun and enjoy your life. It is your life and your decisions.
All the best for you.