It is quite true that many sins are a result of too much eating and merry-making. All these things seem to crop up when one's belly is full and mind is free - get an eyeful of a non-Mahram, throw a few comments here and there, fall in love with yet another. Hungry ones will never think of taking up such exploits, but what else will a person - who's got a years worth of wheat in his larder be up to, other than ogle at women. He'll be completely free from worries of that sort and with nothing else to do, his days will be devoted to such pursuits.
Though as soon as such louts get entangled in a lawsuit or suchlike, all that tomfoolery vanishes into thin air and day and night we see the poor things worried sick over the developments, whilst eating, drinking and sleep is all but forgotten. This is why the elders have written that one should always keep himself occupied by something, if not something deeni then at least a permissible activity of the dunya. Keeping busy helps prevent the nafs from thinking up some mischief whilst too much free time lets us roam our eyes in all directions. Thus, it provides good protection against many sins.
From here, the less well-off among us should feel grateful that Allah has not given them an easy life. They like to cast wistful glances at the rich people around them, who have nothing to worry about and spend at leisure, thinking how wonderful it would be to have no concerns, but what they don't know is that because of such carefreeness they are falling prey to many sins, whilst you are so occupied with your struggles that you don't have time to indulge in such things and earn Allah's wrath.
(Maulana Ashraf Ali Thanvi, Taqleel Ta'am ba Suratus Siyaam, pg 32-33, Published Maktaba Thanvi, Al Ibqa, Karachi)