What will make my hair grow really fast?

i have been growing my hair out for 9 years and i kinda went a little nuts with it i dyed it 68 time not root touch ups like different shades i went from blonde to red to black and i kept it in different shades of black for 4 years and then i went to red and then my natural hair color a bleach blonde i recently shaved my head having togo from black to red and then red to blonde i bleached my haifr 64 times my hair was damagaed i havent cut my hair and it hasnt fallen out but it was very brittle and broken looking (figures right) so thus i have a crew cut and i am utterly miserable since having my daughter ive gone all natural and id gotten to 100% fake so i wanna grow my hair out how can i make it grow fast just really really fast