I agree with Mark. Few people tend to stick with one major focus throught their lives. If you find something you're passionate about and wish to focus on that, by all means, all the power to you. However, if you get restless or come to desire a life change, realize that's okay as well.
bradb: if you suspect poker is your big thing, and you live in Montreal, you are likely familiar with the Casino de Montreal. If you hadn't already thought of it, it could be worth your while to contact people who work there and find out how they got into dealing or whatever area that interests you. Halifax also has a Casino. the only way to figure out if this avenue is for you is to check out possibilities in more detail and get involved.
See for example:
Casino Dealer Schools joel:I like your quotes. Some people discover sources of passion at different points during their lives. Some of my passions have grown more intense and more fulfilling as I've evolved to devote more time to them. If you believe in some form of reincarnation, then maybe happiness can indeed be achieved over many lifetimes. However, I also think different forms of happiness can be experienced during the life we live now. It's subjective, yet possible, providing you figure out what happiness means to you.
"People love others not for who they are but for how they make them feel.” -Irwin Federman