It helps if you're open-minded. Reflect on your own beliefs and reasons for doing this. It will help on the hard days.
buy a good a and p book and get familiar will help you out.
in your first year make sure you master how to cite correctly. Use citethemright.com
referencing is where most fall down,
build relationships with classmates; your need each other to get through this.
don't be surprised when they send you for injections and blood tests. Happens typically early in year 1.
make sure you know how to write an essay, basics, for example using peal. which every paragraph being point, evidence anaylis and link.
Plan for placements. If you have kids, you need support to get them to daycare and to pick them up, as on placement, you do 13-hour shifts.
write a motivational letter to your future self. and file for when you graduate.
good luck