Been there... and depsparately wished for a sign that everything was OK. Even still for me at almost 12 weeks I have not really felt a lot of "symptoms". I get the odd days when I have bits of nausia but not a lot more than that.
Have you checked out the thread up the top with Tri 1 symptoms? Cause I bet if you look at that you might be surprised at what they are...
Anyway, enjoy it, and try really hard not to stress... Easier said than done...
xo