I have two of these cute little guys in a 20g tall tank with an overhead light and mist the cage once a day. They're insectivores and eat gut loaded/dusted crickets. And yes they prefer to frink water on the leaves (love it when snakes drink, so cute to see thier cheeks puff up). Its rare to ever find a captive bred Rough, so I went out into the spot where alot of these guys hang out around the time when they are hatching so I can catch a baby so it will be used to being feed in captivity rather than going about and hunting for food themselves. Now they do stay pencil thin, so dont think that its under weight or anything like that. And they are quite aboreal (I always have to be on my tippytoes reaching my hands into the tree to catch an adult one in the wild for fun). So give them lots of spacious room to climb, ecpecially if you caught it as an adult when its used to living in a huge forest rather than a tiny glass cage. Good luck!
Also you can handle them, but not as much as you would for a ball or corn, they can get stressed out easily and will not feed easier than a ball python per say. So handle them like every two or three days and your fine!