Stephi, I wish I had the time or ability to make everything more real for them, too. The best I can do at this point is dim their lights on & off to hopefully make them think the sun is rising & setting, lol, and occasionally mist them for a rain day. But I only mist them like once every 2 weeks or so. I think they pick up on dull, rainy days even inside as they feel the barometric pressure... but that's just my guess.