A example might be helpful.
We can think bitcoin is a flying bird
that has a life it can fly up on the sky or can fly on the lower part.
Everyone is happy to see it.
It is very charming.
But when Bitcoin become stable
it is like a sculpture of a bird
or a bird in a cage
it has no life,
it can not move,
But it is nice to see it..
That's all of btc in a cage.
Maybe the good thing to explain if noone spend bitcoin using your bird is that every user or watcher of these bird will be finding this bird all over the place until there comes a time that we pay someone to give is the bird with really high price.
Well that follows the business things: high demands, high price. An dif these bird is not being seen by many people, it will be considered extinct and people will try to forget it and find another bird with same value. You get it?