It is the sexual (male-female, as "sex", "gender", no pornography meaning) market value. It (SMV) is an individual's rating of attractiveness. High SMV individuals have an easy time dating, if they want to.
Simply, he's an incel, thus his SMV isn't great. You're a girl, you're good-looking, you're from a rich country and you're going to be educated, so your SMV is greater.