streak on my hair

i used to dye my hair and it became blonde. i wasn't unattractive since it was a contrast. its nice to have people commenting on a contrasting thing. my hair is black and when my hair was blonde streaked it was nice. my hair was often spray dyed. once after i tried dying it again but i thought didn't come out right. i spray on some color to hide the evidence. people could tell i dyed it again. when i re cut it into a shag hair cut the blonde was on the edge but it was gone. i never redyed it.