Hi, R., I had two boys and hardly any morning sickness. I probably threw up maybe 4 times total with both of them. My daughter, on the other hand, was a different story. I was sick for six months straight and found the only things I could keep down were tomato soup and granny smith apples with salt on them. I had a mid-wife, she gave me a book to help me find some "remedies". Pretty much, if you can find ANYTHING you can keep down, eat it, even if it's twinkies. You may need to switch to something else to drink....try a gatorade watered down. Also, lying on my back or side most of the time seemed to help, too, because when I got up, I threw up. Sometimes it just helped to eat whatever I was craving, and eat them in very small amounts. Your body will usually tell you what it needs. Avoid anything with caffeine or anything that would typically cause an upset stomach or gas. You might want to avoid the dinner table until your stomach settles down a little. Try eating while lying on your left side.
If all else fails, your OB should be able to give you something to calm your stomach down, although there are side effects to those drugs, too.
I hope this helps. I know EXACTLY what you're going through, and you will get through it, you may just need some friends or family to come in and help you get the basics done...like laundry or dishes, or have some church members bring some dinners for your family for a little while. They'll be more than happy to help you out, that's what they're there for!
S.