Have You Lost Your Reusable Water Bottle?

I am on my fifth reusable water bottle. From leaving them at the gym and on the bus, I've managed to work my way through water bottles. I can't help but think I'm being counter productive here and they're not cheap either, Sigg and Klean Kanteen both start at around $20 a bottle. I'm curious, as we're all trying to keep hydrated while doing our part to stop using plastic water bottles and start using reusable water bottles, have you ever lost your reusable water bottle?