If that’s the case, then I think it depends on how frequently you get to have fun in the present.
The value of remembering having fun greatly exceeds the value of having fun if you don’t get to have fun very often—because memories can continue to bring happiness through reflection. But if you get to have fun all the time, then the memories lose much of their value. If you have fun ALL of the time, then there’s very little time to reflect on memories.
If that’s the case, then I think it depends on how frequently you get to have fun in the present.
The value of remembering having fun greatly exceeds the value of having fun if you don’t get to have fun very often—because memories can continue to bring happiness through reflection. But if you get to have fun all the time, then the memories lose much of their value. If you have fun ALL of the time, then there’s very little time to reflect on memories.