Today you will deal with something you have been waiting for, so prepare yourself with knowledge and information.
Something you have been expecting is going to happen today, so you should prepare yourself to deal with it, whatever it is. Knowledge and information is your best weapon and defence in any situation, so arm yourself with details. The good news, this will be over and done with early on today, so you will have the rest of the day to reflect on it, digest the events, and relax now it's done.