Weight gain and eating

Melissa • Mom of 3 , expecting baby #3 June 2019✨✨

So I’ll be 17 weeks in a day. Don’t know how but I’ve gained already 4lbs this pregnancy. At first didn’t seem like I was gaining anything but now it seems like it’s really starting to show. I feel like I look like a potato and I wear big shirts because that’s all that feels comfortable. I’m also dealing with nausea when I don’t eat. Is there any way to not have to eat when feeling nauseous? I feel like I eat so much already. Is anyone else going through this?