Germs and such on fingers doesn't appeal to me. Instead I just pick at them...it's just as bad. I tend to do it most when concentrating hard, and I've been do

Germs and such on fingers doesn't appeal to me. Instead I just pick at them...it's just as bad. I tend to do it most when concentrating hard, and I've been doing it for as long as I can remember. Any tips? (I think I need nail clippers always available)