Counting calories while pregnant?

I always read not to count calories while pregnant and just eat what you feel like....

But I don't feel like eating anything!

I'm 8 weeks pregnant and I've lost 8 lbs since I got pregnant. I have an average weight I guess (5'4, was 125 now am 117). It's a struggle to keep food down and eat all day. My doctor didn't say much, just prescribed me Zofran and told me to focus on maintaining my weight for now, and then we can work on gaining weight.

Has anyone else counted calories while pregnant to maintain their weight? How did it work for you?

Ps- no debates about Zofran pls I would only like information or experiences with counting calories or maintaining weight