I have a daughter that reminds me of Celeste . Wide open all the time at that age. Daredevil . Climber. So fast! Refused to slow down. Rarely walked, mostly ran. Just the opposite of her older, much more cautious & mild sister. She's in her 20's now, but when We're all together the conversation always goes to the things she did at that age.
If I'd had a cell phone with a camera I would have followed her and recorded every thing she got into to show her dad, grandparents , friends..... Just because.
Of course i'd eventually help her down off the vanity, but only after we discussed the other 58 times she'd done the same thing even tho I told her not to. Even tho she may have gotten hurt doing this before , she will do this again. And again.
It may not have been that the child was thirsty. It may have been that the child wanted to do something she wasn't supposed to. Walk by the bathroom and Voila! She sees: sink -Water--faucet- cup- climb = fun.
That doll !