I took Laputa to the vet a couple weeks ago, and she got a clean bill of health but I still haven't seen much results. She is still super dark brown (she used to be a very bright green), she hardly eats still, I put a large variety in there in a bowl she can get to and choose from, I see very little poo and the last one I saw was white, which means she hasn't eaten anything. She just hides in one spot and doesn't really move. Should I take her back to the vet? I don't know what to do...