Why does the narrator from "mending wall" want the wall to come down?

Something there is that doesn’t love a wall,

That sends the frozen-ground-swell under it

And spills the upper boulders in the sun,

And makes gaps even two can pass abreast.

The work of hunters is another thing: 5

I have come after them and made repair

Where they have left not one stone on a stone,

But they would have the rabbit out of hiding,

To please the yelping dogs. The gaps I mean,

No one has seen them made or heard them made, 10

But at spring mending-time we find them there.

I let my neighbor know beyond the hill;

And on a day we meet to walk the line

And set the wall between us once again.

We keep the wall between us as we go. 15

To each the boulders that have fallen to each.

And some are loaves and some so nearly balls

We have to use a spell to make them balance:

“Stay where you are until our backs are turned!”

We wear our fingers rough with handling them. 20

Oh, just another kind of outdoor game,

One on a side. It comes to little more:

There where it is we do not need the wall:

He is all pine and I am apple orchard.

My apple trees will never get across 25

And eat the cones under his pines, I tell him.

He only says, “Good fences make good neighbors.”

Spring is the mischief in me, and I wonder

If I could put a notion in his head:

Explanation:

Because the speaker sees no reason fro the wall to stay up. There are no cows to contain

Explanation:

sonnet 130 follows the typical rhyme scheme of the form abab cdcd efef gg and is composed in iambic pentameter,a type of a poetic metre based on five pairs of metrically weak/strong syllabic positions.the first line exemplifies iambic pentameter.