Enthusiasm is not the same as just being excited. One gets excited about going on a roller coaster. One becomes enthusiastic about creating and building a roller coaster.
If you are only doing what you are getting paid for, and doing it no better than the average employee, then your pay is most likely right where it should be.
Every day, people settle for less than they deserve. They are only partially living or at best living a partial life. Every human being has the potential for greatness.