Girls get with the guy they are most attracted to who they feel comfortable with (not simply the most alpha).

She's attracted to you so she gives you more opportunity to build comfort and seduce her. This is why the only IOI you need is this question to yourself "is she giving me opportunities to get her?"

The opening line you choose don't really matter, it's the attractiveness of you that carries it though, she gives you an opportunity.

The more attractive she is the more options she has from strangers and through her social circle. If she's attractive she'll attract orbiters more easily. This means more competition for you, even from guys who already have some comfort with her. This also allows her to be more picky. You have to be very attractive or have super amazing game to get with a 10 quickly straight from the cold approach (actually sometimes they want a no consequences shag on the sly from a stranger that she doesn't have to see again).

So the more attractive you are the more opportunity girls will give you and the hotter the girl the more opportunity you'll need to be better than the rest of the competition.

So the whole thing works on your attraction

Attraction comes in...

1. God given good looks inc face, size, height etc + the changeables... physique, style, body language etc
2. Confidence, social calibration, actions around peers and the girl, social proof (all effected by inner game and the situation you're in)

So to improve your attractiveness to make the game a whole lot easier work on your inner confidence and social calibration. Work on your style and physique. Finally put yourselves in a situation where you are more confident or have value like working behind a bar, running an event, holding a party etc

When you've maximized your attraction learn what to do to take things forward (the more attraction you have relative to her means the more mistakes you can make in comfort).

The more game you have the less attraction you need
The more attraction you need the less game you need
If you have both you'll do awesome

Hope this helps

If I might add
it's about emotional stimulation and using your chances, you don't have to be more attractive, you don't have to have much more confidence, you just need to act, when the window of opportunity opens, act, girls give guys much more chances to hit on them and takew them then you might think.

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"StreetLight!! Stop seeing every problem in life like it's a chick you didn't hit on!"