So, I just started playing this game and I figured since I've already gone through P3 that I should try a max social link run, using Penguin Knight's guide off this site. Anyways, I'm already slightly off schedule --
Yeah, you're fine. The only links you should be concerned about screwing up are Justice and Hierophant. Other than those two you have to really mess up to get to the point where you're screwed. I recommend using the optional times for raising expression via the translator job.
With each passing day, the world finds new and exciting ways to kill a man.-Balthier FFXII