A:    

Some care for the fruit, while others stick to the tree.

B:    

But sometimes the fruit carries a new seed.

A:    

Seeds are to be swallowed along with the fruit and dropped with other undigested junk, so a new tree can grow.
Only the farmer with his agricultural neurotic disorders cares for seeds and fecal matter.
Hunter-gatherers like you and me, my friend, we care more for the trees and thier fruit.
Beside that, it's like Horace wrote:

"carpe diem quam minimum credula postero."      

We seize life, like the dualist his sword.
We pick ours days, we do not cultivate.
   
B:    

Ausonius wrote about it:

"Collige, virgo, rosas dum flos novas et nova pubes et memor esto aevumsic properare tuum"      

No fruit will form when all the flowers are picked young.

A:    

No fruit will form indeed, but no seeds a fortiori.
Along with the farmers the seeds for capitalism were being dispersed 10.000 years ago.
For no hunter will ever carry more than can be consumed. 
This dead weight leads to exhausting environment's carrying capacity.

B:     

Okey, I've got the point. 
But can we, please, empty ours clips on this shopping mall now? 
I've got a nice fat type in my scope for the past five minutes, and am desperately excited to take him down.