This sound very stupid and goes against what I have always believed in, but getting friend-zoned is an excellent way to open opportunities and sometimes increase attraction.
My approach to dating now is going to social events, being a decent conversationalist and getting everyone to like me. As opposed to before, where I would be chasing tail. I now have pretty women asking me out on dates or group events where I can use seduction much more effectively. In all honesty, I have had more success and generally happier in life. It really feels good to have people care about you as opposed to being a lone wolf. I'm thankful for that.
Anyway,
Her eyes are the windows to the soul. Pupil dilation is nearly impossible to fake and once you have them wide, there's a 90% chance she wants to have hot monkey sex with you.
