No problem :)
Have you checked out some of the free tutorials available here, for example:
or the free Logic 101 demo (if you download NED player - you will find that you can download the tutorials into that player)
These might help you decide what is best for you.
I started with Logic many years ago, before Garageband was available...
If I was starting out now, I'd probably go with Garageband until the point where I might out grow it (might not necessarily happen) and then move onto Logic...
Having said that, I LOVE Logic. Once most people get their head round the basics, they seem happy enough making and producing music with it.
At the end of the day, if you're happy with Garageband and it empowers your creativity stick with it :)