Answer:
A gentleman whose offspring have successfully produced offspring of their own.
Sometimes you feel it weigh a ton. Yet it is nothing, but somehow still there. Makes you uncomfortable around anyone, But speak its name and it's gone.
You can't keep this until you have given it. What is it?
Born in the past, but only lives in the present. Sometimes false, always personal.
Never ahead, ever behind, yet flying swiftly pastΝΎ For a child I last forever, for adults I'm gone too fast.
I go in hard come out soft. Blow me hard and Iβll make a pop.