Am I terrible because I didn't cry?

So I didn't get emotional at all during my first sonogram.  Heartbeat sounded cool, but I still didn't cry. I was just impressed medically that I can see what's happening in my uterus.    Even my husband was choked up.  Any other moms out there like his?  I mean, I am pumped that we are going to be parents, I just am not emotional about it yet.  Is this bad?