You have not lived until you've made a conscious effort to keep your hands away from your face. We did an exercise in Anatomy and Physiology Class where half the class counted the number of times the person next to them touched their face during a 2-hour lab. The students being observed did not know they were being watched.O.M.G. Even though we were working with human cadavars it was amazing how many times people touched their faces, ran their hand across their nose, even touched their lips and rubbed their eyes!
Good grief ...
I'm a bit of a germophobe, spent my formative years helping my dad in surgery and thought I was pretty attentive and I still touched my face nearly a half dozen times ... Yep! I nearly puked when the student who watched me told me that!(Still ... I was by far the lowest "toucher" ... the student with the next lowest number of touches was WAY WAY WAY ahead of me ... bleech ...)
Give it a try ... You will be surprised. I promise ...
I was holding my hand up against my mouth while I read your reply. I also compulsively bite my nails. You can't stop completely, but if you make a conscious effort, you can at least reduce the number of face touches you make in a given day, which will at least slightly lower your chance of exposing yourself to whatever is on your hands.
