Most people are stuck right where they are. The reason they're stuck, however, isn't usually due to circumstances, incompetence, or lack of opportunity, but a simple unwillingness to change, to try new things.
We can make smaller, inner changes on a day-to-day, moment to moment basis – changes in our attitude, reactions, and expectations. I'm talking about being willing to take new risks, and face old fears.
Over and over again I hear people saying things like "I've always done things that way" or "That's just the type of person I am." These things are said as if they are carved in stone. It is amazing what you can learn by simply opening your mind and trying new things.
Starting today, tell yourself that you are going to do something, however small, a little differently. Perhaps you can be more friendly to the people you work with. Maybe it's not too late to overcome your fear of asking others to help you, or for their advice whoever you are, whatever you do, there is always something you can do a little differently.
You may find that you love the tiny changes you make and that you can open exciting new doors by making relatively small adjustments. If you're okay with the changes, you might want to try some other changes as well.