Games, self made goals

Everyone has a goal when they first start playing a game either on the pc , xbox, ps2 , ps3 or whatever type of machine they have. Once you reach that goal do you continue to play that game ?

It seems I'm running to this more and more with World of Warcraft. I started playing the game when it was in beta and continued playing after the release of it. It was the most exciting time. Playing something new, experiencing something different. New areas killing new things. I first created a Troll Mage ( during beta I had a Night Elf Druid) . Casting time kinda bothered me when a Shaman walked up to another mob and killed it in a few seconds when I would still be attempting to cast my spell. I was like damn. So shortly after that I created a Shaman. Played my Shaman for awhile probably a few days was having problems knowing where to go to level my character. I missed the change of forms kinda thing so I made a Druid. Well anyway to make a long story a little shorter. I seem to have a goal with each of my characters. I have so many I would be playing the game until 2010 to get them all to level 70 if that was my end goal. Usually level 70 isn't my main goal, its a thing that if it happens it happens. I recently created a Priest. I always wanted to try shadow form and since the expansion I wanted to try the new Draeni Mounts. So I got her to level 44 and stopped. I leveled her quite fast since I have leveled many characters in the past and now know where to go for quests and what areas. Once I obtained my goal with my priest I moved on to Phylum, my Druid. Phylum is level 55 almost 56 now I was able to play a little bit last night. My goal with this character is to possibly raid, but my main goal is to fly at 68. I've wanted to fly ever since the expansion was released. I guess my second goal with Phylum is to get a netherdrake a new flying mount in-game ( see pic ). So will I get to 68 and stop ? or will I continue on and get my netherdrake and possibly raid at 70? Only time will tell..