I've had really bad eczema all my life. Materials and fabrics could set me off no time flat. My lips had there own issues. And I hated when they cracked and bleed. Chapstick saved me. It kept me from hurting horribly, or at least worse and being self conscious about my lips.
I am often accused of hoarding chapstick, and people aren't exactly wrong. I probably have 3 or 4 chapsticks at any given time. I lose them (everyone does, so do not give me that look) and then find them again, but sometimes not soon enough. I also tend to have one for any bag I may carry - backpack, messenger bag, iPad carrier, Laptop case. You get the point. (This means in reality I probably have close to a dozen chapsticks at any given time).
So chances are, if you run into me, I will have more than one chapstick on me at any given time. And in case you ask, I will give you one, but keep it. I have plenty.