Possible, but then again, how many of us will be still be alive in 21 years? So for me, I wouldn't think of that far though, I will just enjoyed my profits in this bull run or the next 2 bull runs for that matter.
As in the next 2-3 halving, we might see almost all Bitcoin has been mined, and so that will be time to really to HODL and maybe share it with your family and love ones, IMHO.