It depends on if she is looking to get laid or not.
Demi Lovato has never spread her legs in a skirt on stage.
You can wear knee socks without showing your legs by wearing a long skirt.
He is obviously in to you... and is getting excited
It's hotter if you're legs are bare. Take it from a dude.
i think see wants a sex (a big one)
Good legs are a must for a short skirt. For smaller hips, a flared skirt works best. For curves, a fitted skirt can look nice. Try a simple A-line to minimize larger thighs, and to give an elegant appearance. Someone with nice and long legs will look best in a short skirt. Short skirts look best on women that are taller.
Spread your legs.
Legs.
To prevent a silk skirt from sticking to your legs, consider wearing anti-static undergarments or using a slip made from a smooth fabric. You can also apply a light layer of anti-static spray on the inside of the skirt. Additionally, keeping your skin moisturized can help reduce static cling. Finally, opting for fabrics with a bit of weight can minimize the tendency to cling.
As in any other countries, bad manners are considered tacky - like crossing high your legs when wearing a skirt, adressing someone without any 'bonjour' or 'merci'.
You could open your legs. You could even do that while wearing a skirt. He will be tempted to look. Ok I hope this makes sense. Sit with your legs open and lean forward with your hands resting on the chair. You can smile at him or be flirty and wink! ;D
legs spread but flat legs spread but flat