|I'm wasting away like Pink Floyd|
The heart's in charge. It's the most important thing to be found in our body. Why? That's because it's lasting and responsible for all the skillful and unskillful things we do.
As for the body, it knows nothing of pleasure or pain, happiness or sadness. And it's not at all responsible for anyone's skillful or unskillful karma (actions). Why is that? That's because the body isn't lasting. It's empty.
|Don't have to be wasted, but it helps|
Rupam dukkham: It's hard to bear. Rupam anatta: It's impersonal, not-self, empty, and doesn't stay under anyone's control.
[This third characteristic of existence is perhaps the most important] because even if we try to forbid form from growing old, growing sick, or dying, it wouldn't behave in line with our wishes or commands.
[Why is that? By its very nature] it has to fall in line with the processes of building up and wasting away (incessantly rising and falling) in accordance with the nature of natural formations. This applies to everyone.