The guy across the street

Three guys live across the street. All are long haired, heavy metal listening types. One guy only ever wears black. Ever. He has black t-shirts and black dress shirts. He has black tank tops. He has black jeans, black carharts, and black carharts shorts. He wears black boots or black converse. Except one time he wore one black converse and one white converse. He has dyed jet black hair. He drives a black truck. I have seen him almost every day for almost three years. He has never waivered from this fashion scheme.

Until today. I just saw him leave his house wearing a white t-shirt, blue jeans, and carrying a red duffel bag. He had white running shoes on.

What does this mean, except that bar studying is really, really boring?