Why do black beauticians cut so much damn hair off?

I am so damn tired....my hair is long and I'm so sick of people with short hair telling me how to take care of my hair helllloooo I know what I'm doin IT'S LONG geez I get a relaxer about every six to nine months it works your hair grows wonderfully don't let these women tell you otherwise they want your money and every time I get my hair done they cut two ****** inches off my hair when it hasn't even been that long my hair is very healthy and they get an attitude when I tell them not to cut it's my damn hair **** off do the relaxer and get over it if you know so much about hair why the hell is it always short ughhh I'm cuttin my own ends now who's with me?