The flow of a currency is crucial to its existence. If no one would spend bitcoin, it would not take long until its eventual death.
Yes, that is what I am saying before it is like the actual coin we have in our government. The flow of it on how it circulates and use by everyone is the important thing why it still exist. If we will not use our bitcoin and will just save it on our wallet then you are right, it could be dead. Since no one will use it, it will not be in demand and its price might collapse.