Love is??

"In tennis, love is zero. No matter how many zeroes you'll add, you still lose miserably."
"Love is zero, eh? That's right. Love is "zero". Zero is the beginning, the start. Love is Zero as we depart from there and evolves. So Love is zero!"

-Detective  Conan ep 20-

I love romance bits in this anime. It always makes me teary-eyed for some reason :D