Bizarre 'crunching' addiction?
OK so I've read through all the questions in the vain hope there is someone out there like me,but to no avail... I have a strange addiction to crunching concrete,or plaster between my teeth,I never swallow it and only keep it in my mouth for a few seconds but I love the feel of it,I also deepley inhale the smell of brick dust or a damp building site if I walk by it!! Apart from this I lead a normal life but have never spoken to anyone about this as they will think I am abnormal! Is it bad for my heath? Is there anyone who can relate to me?