Although you did not ask me directly what I thought you should do, I think you should recognize that your relationship with this man was a good experience for you, but that it was a short-term experience. Now, it is time for you to identify what you want out of a relationship, and then meet as many people as possible. Join clubs, volunteer, have parties. Of course, you've heard all that before. But it works.
Shyness is usually curable.
There is someone out there looking for you. Go find him. I hope that answers your questions.