I'm a diabetic and I drink a lot of water.
The water got to be boring, and I found Lipton's flavored Iced Teas that are in packets that you can put into the water bottle.
No calories.
I believe Crystal Lite has the same thing but has 5 calories in each packet.
I love the drink called an Arnold Palmer.
It's half Iced Tea and Lemonade.
Don't have to use sweetener, but I do, and I love it.
It really quenches the thirst.
Prayers for your brother.
Lynne
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Just pull up those big girl panties and get on with it!!