Some people give up because they lack the patience and faith in the process. Dreams take focus, determination, hard work and a small amount of luck. I have other aspirations (writing being one of them) so I keep practicing and pursuing knowing that one day they too will come to fruition if I don't stop. Ira Glass, host of one of my favorite podcasts - This American Life, said it succinctly so I won't rehash it again - just read the attached image at the end.
30 started out not much different from the rest of my life but things have turned around a lot and now that I'm about to be 31, it has become one of the best years of my life. Ya gotta keep your head up - Tupac