I'm actually in the same exact situation. We got our two girls from a breeder. Both are very nice, and will do just about everything you've stated. Both will try to scurry away though if we try to pet them or pick them up. When I changed their cage the other day I had to move both of them out of it and they squeaked a little in fight when i picked them up, and our white female rolled onto her back, but both were otherwise non aggressive. I love um to death, and really want them to trust me. I have the same questions as above, and also should I keep trying to pick them up?