You will notice all kinds of new "pains" as the weight comes off, places that never were boney will get that way and it takes awhile for you to adjust to the new "normal" your joints are used to a lot of padding spaceing them and this is changeing so rapidly you will notice it. Wait until you sit down and discover your tail bone Ouch.
I manage group homes have for 25 years. You are going to have a much easier time at work as time goes on. Rock on.