You buy a piece of technology, bring it home and lose your faculties trying to make it work.
I'll readily confess this has happened to me.
Though, of course, I've never used the sort of language that Sophie Vango's dad does.
But video of her dad's frustrations with his Sky TV box, now watched by more than 1 million people on Twitter since it was posted last week, offers a timely reminder that the maddening aspects of tech can drive one to extremes.
(Note: You may find this video rather NSFW.)
Vango, from Essex in the UK, finds her dad's frustrations uproariously funny.