Practice should be the answer
Don’t click the file it’s a scam and will give you a virus iDisk but yesss
To me, it just means that the older you get you do get closer to your death but you also experience new things that make you get comfortable with dying so you might as well be happy and live fully while you can and not think about you getting closer to dying.
The introduction comes first.
I'm fairly certain that it's an abstract noun. My apologies if that is not correct.