My first symptom, both times

With my first pregnancy, one of my first symptoms was being super hungry & excited for my food, then only eating the tiniest bit before feeling sick & having 0 appetite. I had a miscarriage on 11/16, had sex 11/21 & the last 2 days have been feeling this loss of appetite again (along with other symptoms) I'm not sure if it's too soon to feel symptoms, but has anyone else had this loss of appetite before a BFP ?