Lost weight and concerned :,( 8 weeks

I've been heavily nauseated and can't stomach any meals but I've been trying to eat at least 2 solid meals per day. At the beginning of the month I was 138 pounds, and at my doctor appt at 6 weeks I was down to 134 pounds. I weighed myself yesterday and I'm 128 pounds (10 pounds lost). I feel guilty that I'm unable to eat anything and I don't know what to do! Did anyone else lose weight in their 1st trimester? Should I be concerned? What can I do? Any help would be greatly appreciated!! Much love, xo