The smell of old books at a book sale. For me that's the official smell of knowledge.
A woman who is actually down to earth enough to smile at you when talking to you, stranger or otherwise.
A woman laughing and thinking something I said was genuinely funny.
Being told by a professor that you are writing Masters Degree quality papers when you are still in your first year of college.
The release of the next movie installment of The Hobbit - TODAY!!!!! - wahoo Tolkien orgasm!