Need Help Pitching An Argument ...

I wanna dye my hair black not permanent just semi but the problem is I'm a blonde like the colour people pa hundreds of pounds to have their hair that colour and I hate it.I wanna dye it black my parents I don't think will let me though but if I had a really good persuasive argument on why I should dye it and why I should be allowed to I could get to.So please guys I'm begging you I really desperately want to I hate being a blonde I really do can you please help I'm begging you.I really can't take another day of this I hate it I hate,hate,hate it.Thank you all so much you really don't know how much this means to me thank you x

peace.eyeliner and more MCR!!!!

Cyanide Kiss