The wedding in Haran was not a simple celebration. The Targum Pseudo-Jonathan on Genesis 29:22 reconstructs the conversation Laban had with the men of the town.
Laban gathered all the local men and threw a feast. Over the cups, he made his pitch. Behold, seven years since Jakob came to us the wells have not failed and the watered places are multiplied. For seven years, the moment Jacob arrived in Haran, every well in the area had begun flowing at the brim. The harvest had improved. The flocks had thickened. Laban knew exactly whose presence was responsible.
So he proposed a conspiracy. Now come, let us counsel against him cunning counsel, that he may remain with us. The men of the town agreed. They gave him cunning counsel that he should take Leah to him instead of Rahel.
Read that again. This is not Laban's private trick. This is a civic conspiracy. The whole town had a material interest in keeping Jacob trapped in Haran. If Rachel married Jacob, the contract ended. But if Jacob unknowingly married Leah, he would have to serve seven more years for Rachel — and the wells would keep flowing for seven more years.
The feast, in other words, is a public ceremony for a private fraud. Every man in Haran ate Laban's bread and drank Laban's wine while knowing that a Jewish stranger was about to be deceived. The blessing the wells gave to the town was paid for in the moral currency of its own men.
The takeaway: some communities buy their prosperity with the deception of a single righteous person. The wells rose for Haran; the price was Jacob's heartbreak.