What makes someone fall in love, and stay in love.

1 - hormones
2 - simillarities
3 - age
4 - body
5 - voice
6 - adventure
7 - hot chocolate
8 - money
9 - pets
10 - first impression
11 - walking
12 - fakeness

13 - looks
14 - smile
15 - music


And none of the above are Love. 

Why do I love X and not Y? Why do you love Z and not W?