Seems it's not hot enough,closer to 90 on the hot side in my opinion and experience,habitats too small,I think it's apitite will improve with higher temp though.
Your habitat is awesome,so jealous,that being said,it seems your heat source is at the wrong end,personally I would get a larger water dish and place it under your heat source,something like a terra cotta planter dish,this will boost your humidity level,your uv light is too high,you can lower it...
Maybe he doesn't know he's a tortoise and he thinks your feet are competition in the area and wants to claim it as his own,and you are two funny looking fellows that need to move on,maybe.
Maybe you could alter the environment a couple of times a week while they sleep to give the impression of some place new to explore,you can get pretty creative with a lot of small things,May improve the mental stress.
I have considered it,but I would like to start from the beginning,for the experience,I thought of adopting a yearling for the stability,but I don't know still deciding.
Thanks you everyone,I am learning a lot,I have reviewed all of the Russian tortoise posts for the past couple of years,and have read the beginner's files,good stuff,now I'm reading new posts and learning from what others are experiencing with health issues and escape artists and environment ins...