I'm 17 weeks pregnant, I'm constantly thinking about the baby, what's…

I'm 17 weeks pregnant, I'm constantly thinking about the baby, what's happening with him/her, good and bad thoughts. I look at my breasts all the time, the belly doesn't feel like it wants to be pulled out, there's no toxemia, appetite when I want to eat... Am I alone or is everyone like this? The fear of unsuccessful pregnancies makes me aware of myself...