Socially, medically, or otherwise.
Unexpected T pro: my cat loves aggressively head butting my facial scruff after a day or two of not shaving
Unexpected T con: my cat’s hair gets caught up in my facial hair any time I do this and it’s annoying to get it all out
Or genetics determine “your beard will be this long. Any more and the individual hairs will fall out.” That could just be me combing it out a bit too hard though, that and hard water is brutal on all my hair…