Is it normal to feel like no one listens?

Let me begin by saying I've always had a deep-seeded fear of becoming sterile. I am single with no kids, and often worry that something unfortunate might happen to my huevos before I'm able to settle down with a special lady and start a family.
This is why I began storing my "genetic material" in ice cube trays that I store in my freezer. I feel better knowing I have a backup plan, just in case!
But I digress...
I enjoy hosting social gatherings at my house occasionally. Just a dozen or so of my closest friends, usually. I always buy a bag of crushed ice to cool my guests' libations, letting each of them know they must use the bag ice, NOT the trays. Sometimes I even make a sign in sharpie pen, posted to the freezer door. However, as the evening wears on, I begin to notice my sperm-cubes disappearing, one by one, until they are all gone.
I sigh and shake my head, knowing I'll have to start all over in the morning.
I feel like no one listens anymore, even if it's for their own good. Is it just me? Is it the company I keep? Or perhaps society?