Kids usually develop certain friendship patterns that they stick with, roughly, through adulthood. N children are highly more likely to make other N friends, and not S friends, and visa versa with S children..their interests match, and N and S friendship isn't extremely common.
Of my friends..
2 or 3 ENFPs
Male friends are ENTP, INTP, one ESFP, and one INFP
Female friends are ENFP, ENFJ, INFJ.