Tina,
You did not make the wrong decision. You're embarking on a new life, and the most natural thing in the world is to be afraid of the unexpected. Inside you lies an adventerous spirit, a drive to have better things in life, and a love for your passions. I've known you for years, and know that when you truly set your mind to something, you will let nothing stand in your way. Self-doubt is a monster to overcome, but you can do this. I have a great deal of faith in you.
I hope your first day went well, and helped to alleviate some of your fears. I may not be there in person, but you can call me anytime you want to talk. You are going to be a success. I'm proud of you for what you've accomplished so far, and you have many great things to come.
All my love and admiration,
Greg
"Beauty is truth, truth is beauty - that is all you know on earth, and all you need to know"