I on the other hand, I skipped gray altogether , at a early age around 19 or so one or two White strands appeared.
Someone. usually a girl said
"you have a white hair." in my then below the ear length 70's do....
by 40 my part had widened as my forehead lengthen, my 'stache had white tips sorta like fangs , the beard a mix of dark brown with reddish glow , was whiting in ....
Now, Santa Claus white throughout with a 3 " part to the crest of my noggin .... as a perk