Sexual partners, whether dating, cohabitating, or married, tend to be similar in

Sexual partners, whether dating, cohabitating, or married, tend to be similar in in age, education, ethnicity, and religion, even though most people aren't looking for someone with their same taste or type of live, human beings tend to get involved with similar people because, without realizing it, their minds have already noticed it, and it generates a taste for that person, in other cases, people totally different get involved, probably because they live, work or develop in the same environment.