I'm not saying this is you, but many people explain too much. Either the explanation ends up being lies to weasel out of something, or it's unnecessarily long explanation that the other person doesn't want to hear.
I prefer to both give and hear a simple no.
People who seek explanations aren't always entitled to them (i.e. they're not your boss). Some people feel rude not giving explanations when asked. I feel people are rude for expecting me to give an explanation when I've said no.
Last time I gave an explanation, it was to someone who thought he was my "boss"... Instead of telling him no, i told him why he had no reason to tell me what to do... I probably should have told him no or fuck you like you suggested
I prefer to both give and hear a simple no.
People who seek explanations aren't always entitled to them (i.e. they're not your boss). Some people feel rude not giving explanations when asked. I feel people are rude for expecting me to give an explanation when I've said no.