Know your rights, shake hands with your steward and learn his name. Management will harass you, you'll want to be ready once you have your seniority and you can finally stand up for yourself.
It is all uphill. Going uphill is the hard part... "It's all downhill from here" means a person's finished the more difficult tasks and can relatively coast to his or her end-goal.
Not trying to be a or anything, it's just a pet peeve of mine when I hear cliches get a little twisted.
My biggest advice is to never get pissed or mad if ur backed up cause it's not worth it. Neither is working so fast and hard that you leave everyday barely able to move
If you're fine now, management will pile even more on you. Learn to play the game with them. Once they know you know your rights it'll be more trouble than it's worth to bother you.