I woke up to a grey and gloomy day. Not doing wonders for my PMA. But, that really has nothing to do with being D now.
So, whatever the reason, go with it and work through it. You are entitled to feel whatever mood you need to. No one is up all of the time and to think that you should be just means you are mistaken. Do you feel like you'll disappoint your friends? Cause I got news for you. That won't happen.