I'm 8 Weeks 4 days and I'm so lazy/tired!

AnaD🐰 • First time mami & Papi, waiting for her Moon Princess 🌙👑✨
I'm not up for anything! Im so lazy lately. And I'm picky with food. I used to eat ALOT and now I'm eating like a bird: a little bit of everything. Instead of gaining , I lost 3 pounds.  Is this normal?