Uninvited, by the way.
Yep, just when you thought you had nailed the logical soft-spoken maybe a bit uptight mid-40s professional, out comes an irascible sarcastic dope who spews about everything he knows nothing about.
Give him a day. Have a chat with him. You might even try to scare him away.
If the creep is still around, make room for him in one of your stories.
Word Inventions 