I did a 10-day vipassana meditation course and it changed my life. Meditation helps you to understand yourself and your thoughts, and I can't think of anything more important than that. I highly recommend it to everyone.
It is a 10-day silent meditation, so you can't read or write or speak to anyone for the entire 10 days. This means that you are stuck inside of yourself, with no distractions, for 10 days. What happens is a lot of your problems come to the surface and you are forced to deal with them, and meditation helps you to deal with them. After the course, I have been able to use meditation to better understand myself, and my thoughts, and to deal with anxieties and problems that come up in my life. Email me if you have questions about it.