if you have 1 bitcoin today I think that will be a awesome think maybe in 50 years bitcoin can be 5.000 dollars and having or collecting more bitcoins I think you can retire with it.
50 years is too much for anyone here, not because maybe we are all died, unless we are all 50 years old already, but because after 60 you need to have already your retirement ready, and i doubt we are 10 yers here on bitcointalk
Most of us are not. There are some younger ones here on bitcointalk, if you trust the outcome of this poll: