Water question

[Professor S]

So she doesn't drink any liquids, not just water? Thats plain weird, and unhealthy too. She could dehydrate very easily if her preference to not drink doesn't go away.

Not only that, but as her boyfriend, you must be the most frustrated of all...

[Angrist]

Yeah it really bothers and scares me.

When she told me yesterday that the day before she almost had 2l of liquids, she included a milkshake of 0.5l. We all know that a milkshake is basicly icecream with some milk.. I told her she probably needed more water to compensate for that (you need water to digest your food and to keep up your osmotic value).

Anyway it's scary and I just want to see if you have any advice. Yesterday she did drink some water when I asked her to do it for me.