<human>: By today I mean several years ago.

I was 10-11 years old and I loved biking. I had just gotten a new bike for my birthday, and it was a huge upgrade from the bike I had before. This new one shifted gears, and had TWO brakes! So cool!

It was a couple days after my birthday, and I was out riding my bike.  My parents thought I was smart enough to ride on the opposite side of cars on the road, which I was, so they allowed me to ride on the road nearby our house. (We live in a rural area, so barely any cars pass through here anyway) I had found out a while earlier that if you press the front brake you stop quicker , which is nice (I had only tested this going slowly). My house has large hills near it, both on the road and off, and I was having fun riding down those. It was great, until I found myself going down a hill faster than I intended to, quickly accelerating towards a wall of trees.

I tried the front brake trick and surprise surprise, and I was catapulted off my bike as it bounced RIGHT over my head and careened into the trees. I was lying there on the ground (thankfully grass) about 10 feet away from the trees, with blood all over my face and arms. I wasn't too far from my house, maybe a minute's walk at most. My juvenile mind tried to comprehend what just happened but I think I was too distracted by all the blood.

I eventually got off the ground, crying and shaking, and went to look at the bike. My brand new bike I had gotten a few days prior was bent, missing the seat, had a huge dent in the front rim, and the chain wasn't mounted (wrong word?) I got back to my house around 10 minutes after I crashed,  blood dripping from my arms and face, and my parents were scared shitless by the sight. Thankfully my mom was a nurse and was able to clean and bandage me up, and the injuries weren't too bad, just a lot of scrapes.

Could you distill the essence of the text into 1-3 sentences?
<bot>: I pressed only my front brake while going down a hill, I was catapulted over the handlebars, and went home covered in blood with a broken bike.