When I was young I got knocked out by hitting my head too hard on the road ( I was wearing a helmet, and it was my first bike with multiple gears), Even though i'm a far more experienced rider now compared to before, I wouldn't ever ride my bike with out one. There will always be people justifying anything to make them feel okay w/o wearing one... but when something bad happens to them, its a drastic change of perspective on life and I bet you they will be wearing a helmet from that point on. I'ts good to see that your okay. Hope that doesn't stop you from enjoying the sport....take care bro