Ever been in love? If you have, perhaps you've experienced "Love Brain". This thing that happens to us when we fall in love and life seems to be better. The birds chirp louder, the cars whizzing by don't bother us, and the blue sky seems just a bit brighter... as if love makes us eternal optimists, only seeing the good.
Now, realizing that this may sound like crazy talk, especially to the non-believers, here's some science of love to help break it down.