then again , i 'd just travelled for seventeen plus hours ; was in a different country ; in a different time zone ; it was late , dark , snow was falling , the roads were treacherous ; i had hundreds of dollars worth of groceries in my car , some of which would go bad if not refrigerated and hotels did n't have refrigerators , at least not big refrigerators ; i was tired and i had a head cold coming on , so i could be forgiven for getting angry .