I feel like Mulan - "When will my reflection show who I am inside?"

I don't play poker. I probably should. I'm told I have a great poker face. The problem is I wear that poker face all the time. Much, much more than I should.

I used to be misunderstood a great deal because of this. I still am, to those who don't know me well. Sometimes it is a good thing, in the face of drama or danger I am able to keep my cool. I guess the problem occurs when something really great and exciting happens, my expressions and behavior don't match what I'm feeling. I know that sounds strange. When someone tells me they just got into a great university inside I'm thrilled for them. Bursting at the seams, absolutely, positively thrilled. Instead of smiling, and saying, thats great news (which is what I actually did) I should have given them a hug and a huge flashing smile and said "I'm so proud of you."
My response was decent I guess, but for being one of the first people this person told, it just didn't seem like enough to me.

That seems to happen a lot. Something will happen, and my mind freezes. Goes completely blank, like when you are taking a test, only I actually don't have that problem with tests. My mind is backwards. I just cannot think of what to say until HOURS afterwards. I wish I could be one of those quick, witty, friendly, bubbly, approachable people. I just never learned how.