HOW TO CONVICE MY MOM TO DYE MY HAIR!!! PLZ HELP ILL DO ANYTHING:)?

Ok so i dyed my hair i h blonde highlights then about 4 mounths later i dyed it brown wll no its been about 5 or so mounths im not sure & i want to go back to blonde...i begged my mom last time bu i straighten my hair pretty much everyday im just not confortible with curly hair i have no idea wat it is but i take good care of it besides straightening i use products i get it trimmed i dnt wash it every single day (it damages hair) but i just really want my blonde back.Can any1 help im gonna ask my mom soon