i have a beard that is longer than most people
Well, in humans only adult males are typically able to grow beards. So you must be an adult male :D
:) yes I am 
Haha, well it is a vestigial trait from back when humans were covered in hair like gorillas
I always wonder why the face we have a beard when it is not necessary anymore
In countries with colder climates, beards help protect the wearer's face from the elements.
Biology.
The beard develops during puberty. Beard growth is linked to stimulation of hair follicles in the area by dihydrotestosterone, which continues to affect beard growth after puberty. Dihydrotestostorone also promotes balding. Dihydrotestosterone is produced from testosterone, the levels of which vary with season. Beard growth rate is also genetic.
Biology Evolution.
Biologists characterize beards as a secondary sexual characteristic because they are unique to one sex, yet do not
Beard
A beard is the unshaven hair that grows on the chin, upper lip, cheeks and neck of humans and some non-human animals. In humans, usually only pubescent or adult males are able to grow beards. Some women with hirsutism, a hormonal condition of excessive hairiness, may develop a beard.
Throughout the course of history, societal attitudes toward male beards have varied widely depending on factors such as prevailing cultural-religious traditions and the current era's fashion trends. Some religions (such as Islam