"Go talk to your supervisor, and make sure he understand that you don't want to be the last mint inside my jar"
Golden.
Admire your courage to tackle the problem with such audacity and negotiating with even more audacity, this is called tackling one's problem head-on.
Thank you for sharing @chbartist, a new follower but this post is making me want to dig through your older posts. resteemed.
Thank you Friend for you time!
You're welcome :))