They'd become irritable from working hard and got caught up in the perpetual daily routines. Jesus mentioned something about not worrying about money, I forget the exact quote but that something like, "God consists of all the birds, don't you think He makes for you usually?". http://Totalchemindo.com/index.php/superbunda/hubungan-dengan-ayah-menentukan-tingkat-sukses-anak-di-masa-depan/18