What am I?

I am too much for one but not enough for two. Give me to a third and I am gone. What am I?

related riddles

I have a tongue, but cannot speak. I have a bed but cannot sleep. I have four legs but cannot walk. Yet I move as you do. What am I?

I have six faces but not even one body connected, 21 eyes in total but cannot see. What am I?

I turn everything but l do not move.what am l