Your father is God sent!
Now my mother and computers and certainly KittyCatS! that is a complete other story.
You know those typical looks in which a person is not seeing anything and nothing computes what ever we say or do?
She has a computer though and her hobby is downloading free programs wether or not unpacked because frequently she doesn't even need it.
Those free programs are full of virusses and other sh*tware and I have to clean it up if it is not too late and format C is the only effective solution.
She doesn't allow me to install proper protection because it either costs money or is not needed in her book.
This results in me receiving suspicious e-mail with vague attachments from her mailaddress while she didn't even write me.
So everytime she sends me an e-mail and certainly with attachment I have to deep scan that