5 weeks 5 days symptoms

So at 5 weeks I started feeling nauseous up until 2 days ago. Now I'm not feeling very nauseous at all and it makes me feel nervous/anxious. These past 2 days I haven't really felt pregnant and it scares me. With my son I had morning sickness as soon as I hit 6 weeks til the end of 1st trimester. I still have 2 weeks until my 1st prenatal appointment. Anyone feel similar to me or have advice. Looking for some reassurance.