One of my favorite possessions.,
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This review is from: CamelBak BPA-Free Better Bottle with Bite Valve (Sports)
I needed to drink more water during the day, so I carried around water bottles. The screw-off top ones never helped, because they were too cumbersome to use. My college roommate, now a clinical psychologist, turned me onto this one.
She said humans have an innate 'oral fixation' - basically an innate desire to put stuff in our mouths. This water bottle plays on that with the bite valve. Now, I can't write without it next to me to chew on / drink when I'm thinking. I drink water without thinking about it, just because I enjoy using the water bottle so much. I lost my green one and immediately had another one shipped to me because I hated not having it.
If you're trying to drink more water throughout the day, buy this. It won't do you wrong.