Great discussions. Mindfulness and any other treatment or therapy for anxiety really does take practice. You most likely will not be great at it the first time, but the more you try the more you will develop the skills. Also, guided meditation really helps me a lot with a busy mind. With GM you will be able to hear the words spoken to give your mind directions to follow so it has something to latch onto. Practice and it will come, don't give up.
Dee