A typical neuron makes about ten thousand connections to neighboring neurons. Given the billions of neurons, this means there are as many connections in a single cubic centimeter of brain tissue as there are stars in the Milky Way galaxy.
“I'm still getting used to changing earrings - It still feels really weird to be pushing bits of metal through holes in my earlobes that weren't there a few weeks back, and actually seeing and feeling the holes in my lobes is still a bit freaky.”