No anger is a reminder that what was done was totally unacceptable and will not be tolerated. It is your spirit telling you that you're smart enough to know that someone fucked you over. Expressing your anger is telling that person to never do that again.
I used to not be "okay" with this, I am very much okay with it now. I'm an overly emotional person. It's who I am. There is nothing wrong with that. Yeah, I usually cry daily. Yeah, I laugh daily too, and sometimes I laugh and cry at the same time.