*laughs* Sorry, no. That thing is called a plumbob. Basically, it just indicates which of the family member I'm actively playing at the moment, and the color of the plumbob shows what sort of state they're in. A green plumbob is happy and healthy; a yellow one indicates a need of some sort (hungry, tired, etc.); a red one means serious danger of having something bad happen, like a bathroom accident. A white one means excessive happiness, and usually appears when the Sim falls in love or something like that.