Interpersonal relationships include kinship and brood relations in which people become associated by genetics or consanguinity. These include such roles as father, mother, son, or daughter. Relationships can also be established by marriage, such as husband, wife, father-in-law, mother-in-law, uncle by marriage, or aunt by marriage. They may be formal long-term relationships recognized by law and formalized through public ceremony, such as marriage or civil union. They may also be informal long-term relationships such as loving relationships or romantic relationships with or without living together.

When disposed by a boy or humankind about another male in a non-sexual, non-romantic context, especially when it's a friendship between a girl and a boy, they applicability the style "guy friend" so it would avoid confusion with the sexual Senior Dating or charming meaning.