How do I make my hair obey me?

As a black woman in corporate America I desperately need a job and the other problem is I look too young for an adult and I'm sick and tired of not being taken seriously I am literally too poor to get my hair flat ironed and its not like I have a boyfriend to pay for me to get my hair done. I need to know ways to force my nappy ugly hair into submission. Because I got two problems I look really young for my age in my 20's and I am black especially a woman that's three issues.

How do I make my hair obey me?
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