So far I haven't seen anyone say that they have had their leos fight or go at each other, but I just want to make sure. I have two geckos that I eventually want to put together, but they aren't around the same size yet. I was just wondering if I should put the one in the tank and just leave him/her or slowly introduce them to each other so no problems occur? (I have one female and the other one is only 4 months)