Whether you like it or not.
People get old.....And older.
No one can stop time, or even slow it down.
But why do we cling on or hold on to the people who flee.
Who are made to flee.
As you yourself did.
We all have our time to get together and separate.
Few will stay.
Past is past.
Think of the memories.
Which comes from the past. 
The given earthly life is limited, as we are humans.
Do everything you can for the good and for the better.
No memories can be made.
If you don't move.