Although scientists have yet pinpointed its function, pubic hair certainly serves a role beyond only aesthetics in the human body.
Perhaps primates are to blame for the presence of pubic hair in humans.
Or it might be a sign of sexual maturity that indicates you're finally ready to start a family.
The scientific explanation for pubic hair's existence is outlined here.
Yes, gorillas are similarly endowed with pubic hair.
And that's not the only similarity between human and ape pubes.