It's the women of the house that keep us oiled, financially.
Not just financially...
Anyway, back on the subject.
My dad once said to me that anyone who gives you more than one excuse for something is lying. For example, "I was late because the alarm clock didn't go off and then the car didn't start" is generally a lie. It's advice that has never let me down so far. This guy has given you four excuses.
I suspect the guy just couldn't bring himself to say that he didn't want you to clean his windows any more. You'll be putting
his mind at rest as well as yours if you part company pleasantly, by which I mean let him know you won't be calling again.
Vin