When do you find it appropriate to say this?

Come on Beans, let it out. You know you want to.   ;-)

Somethings are better left unsaid...

And do you do it?

Actually my first reaction was to go help her, but I was so hurt by her that I told her to get one of her boyfriends to do it.
She gave me a dirty look and drove away.
I had mixed feelings because it felt so good to show her that she should've been better to me because I used to show my love by always helping her.
I felt bad because my son rides in that car so I want it to be safe, but she has money and why should I fix it for free she doesn't give a sh_t about me.
So I basically told her to kiss my a**. 

Lol.... I love it. You're in a tough spot because of your son and it's important for things to remain civil. But she sounds like a child trying to test the boundaries with her "daddy." And I'm glad your tendency is toward not being her doormat.  :-)

Thanks.
I let her walk all over me for many years and luckily there was nothing major wrong with the car and it is fixed now.
Usually I would do anything for her, but she showed up at a time when feelings were still raw and I was struggling.
Our child was with me most of the time and she was just gone like usual working, sleeping around who knows so when she wanted her car fixed my son was in school and I could not have cared less about her stupid cheater mobile.
Anyway, if I mention my ex it's like trigger for me to just go on and on because I loved her and she hurt me.
Sorry, just venting I guess?

Nothing wrong with that. We're all human and need to do it from time to time. Nice to have people around who'll listen.   :-)

You're a better man than I.  

For some reason, I figured you'd say that.

Breakfast of mentally disturbed champions. I'll take two bowls please.

This wasn't a trump question.

So what?  His supporters are sure on here.

My, what a pretty ass you have. 

Thank you :-))

My kinda gal.   ;-)