By Margot Zamet Here are the nail trends to be aware of before your next manicure. With no real supporting evidence, I had a theory that natural nails would make a big comeback at NYFW. I was partially right. Many in attendance sported long dramatic nails—those will always be in style—but there was a strong showing of short, unpainted nails as well. Here are the nail trends to be aware of before your next manicure: Natural and ShortIt’s incredible what a break from gel nails can do. After a month without polish myself, my nails are healthier and stronger than they’ve been in years. They look s…