"save bitcoin for fun"? not sure what fun to you is.
Bitcoin is a future commodity at least to me.
i am not thinking that bitcoin is fun thing because for me, bitcoin as a source for make money because until now, i can make money from bitcoin and i do saving bitcoin to prepare myself in future. i think as long as we can save bitcoin as much as we can, then it will helps us in future and beside that, if the price is increase then i am considering that is a bonus for us because we are saving bitcoin.