Why exactly do you not want to see a nutritionist?
If the cost is an issue, I'm pretty sure your GP would be able to refer you to someone that bulk bills?
Do you see a problem with your diet?
Do you want to be able to drink water?
Have you tried lemon or lime juice in water?
When your baby is a child, will you be passing that water habit onto him or her?
No judgment on your weight here, I am extremely overweight myself....