I grew my hair to bra strap length and wear my hair down 99% of the time. I think the key is moisture, diet and nutrition and vitamins definately! I've only started taking vitamins recently, (a multi vitamin, biotin and msm are good basics). When I'm home my hair stays tied or wrapped up. I use avocado oil, elasta qp mango butter or healthy ends on my ends every 2 days and I don't use heat except for on weekends when I sit under the dryer and then only on my roots to straighten them out. Also I always deep condition and I trim my ends twice a year. I think it's also important to look at the personality of your hair and what it prefers in terms of protetive style or not, what's good for one person may not work for another so you should test out both techniques. Good luck reaching your hair goal!