You are 30, what is next?

You are 30, and soon you will be out of the calendar, as they say. You just finished a bittersweet episode of your 20s, and now you will be facing a new decade of meaningful change, your 30s. You may have mixed emotions, like the fear of meeting expectations from your family, your friends, colleagues, and yourself; and the excitement from the thought that this is maybe the best decade of your life.   Just as how you start your year every 1st of January, why