Parable on Friendship, Love & Marriage

A student asked his teacher, "What is love?"

The teacher said, "to get an answer to your question, go to the wheat field, get the biggest
wheat grain, and come back."

But the rule is - you can go through the field only once and cannot turn back to pick."

The student went to the field, gone through the first row, and saw one big wheat grain. But he
wondered....may be there is a bigger one else where.

Then he saw a bigger one. But may be there is a still bigger one waiting....

Later, when he finished more than half of the wheat field, he realized that the wheat grains
there are not as big as the previous one. He realized that he has missed the biggest one.

So, he ended up the search and went back empty hand. The teacher told him, "That is love! If you
keep looking for a better one, you could have missed the right person!"

"Then, what is marriage?" the student asked.

The teacher said, "to get an answer to your question, go to the same wheat field again, and
get the biggest corn. Same rule as before!"

The student went to the corn field. This time he is very careful not to repeat the previous
mistake. When he reached the middle of the field, he picked one good sized corn. He felt satisfied,
and came back.

The teacher told him, "You have looked for one that is just good for you, instead of coming back
empty handed. That is marriage!"

"What is Friendship then?" the student asked.

The teacher said, "in order to answer that question, go to the same field and choose the
wheat that appears nice to you. The rule is the same."

The student went to the field. This time he is very careful. As he started scanning the field, he
has picked many grains that suited his taste and come back to the teacher.

The teacher told him, "You looked for one that is just nice for you, and did not look for the best.
That is Friendship".

Note: Someone shared this with me. Does anyone fully understand the meaning of this parable?