People will stop with Bitcoin if they think that they cant earn some profit with it, or if they lost a lot of money with it and that is really bad, the people that is stopping so early dont have patience and that is not good.
To make some profit with Bitcoin is patience a really important role in Bitcoin, without patience you cant make profit with it.
you don't worry my friend, people will never loss money with bitcoin, If people will go on the wrong way then only it is possible and that people can loss money with it otherwise it's not possible, This time a lot of people are using it no one have loosen their money at a moment .