Why are you so stupid?
 

There's a poll. Not directed at anyone in particular.

I fell out of the high-chair onto my head several times as a child.

:(

Birth defect. Mother was a junky.

head injury. followed by years of substance abuse.

You goin crazy blud

I don't know! I didn't deserve that A-!

i was born smart, had a good education, but then i started hanging out with idiots on the internet.

I went to a school next to a mental institution (Bethlem Royal). I lived in Croydon through my yout' too. Therefore I am Ralph Wiggum.

I have a bicycle.

I've got a bike. You can ride it if you like.
It's got a basket, a bell that rings and
Things to make it look good.
I'd give it to you if I could, but I borrowed it.
You're the kind of girl that fits in with my world.
I'll give you anything, ev'rything if you want things.
I've got a cloak. It's a bit of a joke.
There's a tear up the front. It's red and black.
I've had it for months.
If you think it could look good, then I guess it should.
You're the kind of girl that fits in with my world.
I'll give you anything, ev'rything if you want things.
I know a mouse, and he hasn't got a house.
I don't know why. I call him Gerald.
He's getting rather old, but he's a good mouse.
You're the kind of girl that fits in with my world.
I'll give you anything, ev'rything if you want things.
I've got a clan of gingerbread men.
Here a man, there a man, lots of gingerbread men.
Take a couple if you wish. They're on the dish.
You're the kind of girl that fits in with my world.
I'll give you anything, ev'rything if you want things.
I know a room of musical tunes.
Some rhyme, some ching. Most of them are clockwork.
Let's go into the other room and make them work.

Third option, it's a (fundamental) side of my human behavior.