There are too many possible causes of bad breath to list here but this product can help anyone.  And, no, most halitosis isn't contagious.
PS: I've never been with a provider who had it.

I once ate a rancid pussy in a weak moment and my breath gagged maggots for about a week. I made

Sure to DFK her before I left so as to share her gift to me, but I never checked back to see if the transfer took.