The joy of letting FRIENDS move in.
You should move out. PERIOD.
Awww....but we know no good deed goes unpunished. Clearly the friendship means little to you at this time. Hopefully this does not end in a Headline story.
Your story will be linked to the inquiry others make regarding, "Should I let my friend move in?"
If they move in, you can't get them out!
Make sure you know the meaning of FRIEND.
In our society it often translates to opportunist.