Question: Why were they all staring at Phil because he asked the man to cuff Phil to him? Also why did Cylia and Cyril not seem so angry at Phil?
Question: Why does Phil so desperately want the farm?
Question: Why did Cyril and Celia eventually agree to help find the pigs?
Answer: Because without the pigs they wouldn't get the money for the tractor. Without that they wouldn't get the harvest and would end up losing the farm. Not to mention that the piglets were prize pigs and would sell for lots of money.
Question: Why would Phil even gamble away the farm to Mrs Biggles in the first place? If he didn't neither him or Isabel and her kids would have gotten in that awful mess in the first place?
Answer: Clearly he is not a very responsible person. This was to create a storyline to add to the film.
Answer: Money.