The 18th will mark 3 months for Xaero............in that time I have found one log and one urates....sounds alot like your Ozzy. Mine seems fine also, no weight loss.
Now the bci on the other hand-feeds fine but always tail first. Maybe I should have them swish and spit with some listerine before feeding them off since he seems to prefer the wonderful taste of rat butt instead of going head first, lol.