My Bella (5 mo old)doesn't let me know when she has to go to the restroom. She rarely barks which seems like a good thing but she never whimpers/whines for food or to go potty or anything. We have pee pads where she usually goes and I live on the 2nd floor, could it be that she's too comfortable/ lazy? Shouldn't she whine for food when it's time for her to eat though? I just don't know how to communicate with her, I'll ask her what she wants with keywords like "potty" or "outside" but she just looks at me. Is it just her personality?