nicotine
"Nicotine is like acetylcholine. It binds to the receptor and opens the channel. That's how nicotine works"
"Someone posted a whisper, which reads "nicotine is like a girlfriend. to much and you get sick of her, to little and you miss her, but just the right amount of having ..."
"Nicotine is like a friend you meet in your youth, he made you feel mature and seemed to help you fit in with your peers, when you are stressed you would always turn to him for some 'relief'. "
"Nicotine is like an insidious alien that takes over your brain, your way of thinking and your lifestyle. You may not even realize this, because the nicotine changes your entire brain chemistry and how you think, just like cocaine or other serious drugs, and you adapt to it and don't even realize it. You organize your lifestyle around smoking, and most of your friends are smokers."
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.