Regardless of your towel hygiene, Miss Manners finds this person’s attitude appalling. To chastise you for attending to his mistake and then act as though your laundry were now tainted is rude and hypocritical. He is the one who should be apologizing, not you.

A houseguest floods the bathroom, then refused to use the host’s towels because of how the mess was cleaned up; plans for a child’s party become complicated.

After that, he said he couldn’t trust my towels. He went out and bought his own towel to use and kept it with his things until he left. I offered to wash it so he wasn’t using the same towel for days,

In today's Miss Manners column, advice columnist Judith Martin addresses a host's concern about their cleaning methods after a houseguest, who flooded the bathroom, chastised them for using a towel to clean the floor and then refused to use their towels.