I'm not the OP but I couldn't agree more with them.
To answer your question... no they don't. Or perhaps very, very rarely. It doesn't make sense to spend hours at a time on any of those tasks, and you can't anyway because someone always needs something from you.
To answer your question... no they don't. Or perhaps very, very rarely. It doesn't make sense to spend hours at a time on any of those tasks, and you can't anyway because someone always needs something from you.