My mom always took her coffee black, so did my grandma, so I think it imparted onto me. For me I like the bitterness, when I take a sip of my morning coffee and it hits there's nothing like it.
Over the years I've tried to get into sugared coffees and I still keep coming back to black. Although every now and then iced coffee with creamer and sugar is a good treat.
I think sugar tastes bad in coffee and when i first started drinking it at my warehouse job all they had was the powdered "coffee whitener" which tasted so bad. I was trying to wean off energy drinks because I was so fat and drinking at least 2 monsters a day. No caffiene isn't an option