A cupboard is just asking to be opened. A cupboard doesn’t ask a question, but is, by its very nature, an entreaty. A cupboard says it did not ask to be a cupboard, did not ask to be an entreaty, is not, in fact, a cupboard at all.
The man was his father. How could he be so disgusted by him? His mother, long dead, always told him: your father will outlive us all, but not before he makes us suffer as much as he wants to, and more.