Should i get my hair relaxed? (10 POINTS)?

wen i was like 9 i got my hair relaxed and my mom thought it wouldnt need anthing so then my hair started breaking. now afer a couple years it grew back but not as long as it used 2 b. but any ways foor my cousins cristening iwant to relax my hair again. but idk if its a bad idea. if i can can i know what treatment i need bacuase my folk does not want to pay for a hair dresser. and if not tell me how to make my hair strait with out damageing it.