On this exhausting day today, make sure you are getting enough rest and take care of yourself.
It's going to be an exhausting day today, make no mistake, and whether this is physical exhaustion, mental, emotional, or a combination of all three, you will end the day feeling as if you have really been put through the mill. Some days are like this and all you can do is make sure you are getting rest when you can and you are taking care of yourself.