Did I miss it?

I feel like adulthood snuck in when I didn't notice it. If you ask anyone they'll tell you they they didn't feel any different when they became an adult. Legally an adult at 18 years old, there is no ceremony or grand revelation, you can sleep through your 18th birthday and wake up legally an adult and not feel any different. But then what defines an adult? Is it just being older? Then what makes someone a responsible adult versus some Man child that never changed mentally after graduating high school, still wearing his pants halfway down his ass and blasting music so loud it shakes the walls of my apartment? Maybe, it's just that; accepting responsibility. But as boisterous and inconsiderate as my neighbour is, he pays his rent, he takes care of himself, he is responsible. Maybe there is something more than that. Maybe its not just about being responsible for your own wellbeing, but has something to so with being responsible for someone else. There is a remarkable difference in the behaviour of someone who lived through out their childhood looking after their younger siblings while their parent(s) worked double shifts or second jobs, and the behaviour of a twenty-something that finally left home where their overbearing parents won't tell them to turn their music down or clean their room. That difference is adulthood. Something that we don't see coming or miss entirely because our attention is focused on something completely more deserving of it, the well being of others.

Where to begin?

Here I thought that I would know what was going on, what is going to happen and somehow know how to deal with whatever comes my way. Here I thought that adulthood would've been something we graduated into and involved some sort of landmark to give us an idea of when it started and when it ends. I guess if it hasn't already begun, now is as good a time as any to start.