Others have suggested to place in refrig for while or you can let it dry out well after smoking. You can also coat the tenon with some wax to help removing in the future. Good luck, this is a common problem with a new or used pipe.I have a saying: "our imperfection is the source of our perfection". It certainly gives character.
It is acrylic, how do you twist it?
As for the tobacco itself: the vanilla is not overpowering but noticeable. Very pleasant smoke but it is a little bitter.