On a not-so-related note, dog saliva was used to cleanse open sores in the time of the pharoahs.
Oh, and your wife is correct.
Do you know what the filthiest item in our modern human existence is? Not the sponge or washcloth, but the computer keyboard. Remember: you're keystroking not just what the last person keystroked, but everything (and everyone) they've keystroked as well before that.
Oh, and if I haven't said so already, your wife is correct.
