You mean goals? Well the most are:

-All jobs 75
-One master craft and rest to 60
-Fishing 100
-All AFs and AF2s
-HNM Gear all of em
-Final Relic Gear(takes you a few years to get all of the upgrades)
-Get married
-All 3 nation Missions
-RoZ
-CoP
-Kill all HNM
-All Quests Completed
-Get the most gil of the server
-Get lots of friends
-Do unsurmountable feats soloing with different varied subjobs.
-Learn the game mechanics and dynamics like finding out damage formulas and stuff by testing them
-and others @_@

What i do is personally focus on the people you meet and the story. Thats all that needs to keep me playing.