Small things matter! And nobody else is any more or less important than you are. People are just small in general, and that's a good thing!
I'll noticeb if you're home. Everyone else commenting here is going to notice you're gone too. I'm sure there are people around that are going to notice as well. You might not have found your place, your people, or your purpose yet but that's fine. There's time enough for that, but only if you're still here.