
Most important for looks:

Eye area

Appeal

Hair

Skin

Height

Colouring
Many women find hollow cheeks uncanny and weird. As a woman I find it attractive, but not if it is too hollow. They don't notice if your ramus is slightly too short or if your ipd is a little wide. As I said, appeal is important. Many women find Asians attractive, even though they have fucked up maxilla and high set eyebrows.

Personality

We both know that looks matter the most, but personality also matter, to a certain degree.

Don't joke about r**e and incest ect, that's a dealbreaker for many women.

Be kind to everyone, not just her.

Compliment her and tell her what you actually think about her.

don't talk shit about her friends.

show your emotions. If you are sad, cry. Most women find it attractive if men show emotions. No need to bottle them up.

Many women like pets and kids ect and find it attractive if you are nice to them.

you don't need to be nonchalant, most women like it if a guy is chalant
Hygiene is very important! Smell good, look clean and use deodorant.
Just be nice and look allright. There is no such thing as an incel