If you are a guy, you have all the time in the world, but if you want to marry someone your own age, be aware that the best of them are going fast. If you get to 30 unmarried, remember, the best partners will still be 23-28, and you will have to readjust your search accordingly.
If you are a girl, you must be amazed at the variety of amazing and exciting choices you now have. Be aware that getting married will be this easy for only 3-5 years, after which it will become very hard.