As a guy that used to have extremely long hair, I can tell you it really was a pain in the butt to maintain. I used to take real good care of it, and had no problems. Almost the last year before I cut it, I started slacking and then I had problems with it being dry and having an oily scalp. Here's a pic of me with my hair.....i'm the one sitting down with the black shirt.
Each to there own. Dreads on the right man can be a good look!
I a m sorry to long haired guys I just think of greasey , dirty looking , and untidy