Plus he'd have been tired and worn out after the harvesting. Whatever was worrying Neville at the time would have taken its toll as well. Poor man was piggy-in-the-middle between Sheilas' health problems and also Junes' health which had been delicate since the divorce of her daughter because she had to have psychiatric help after that event. It was only natural at this stage that Neville would side with his wife,but Sheila hadn't seen it that way,having relied on her father for support. Neville had clearly had enough and age was against him this time.