OP edited her post once the majority of the comments stated that her response was disproportionate to make herself more sympathetic. You can literally see she edited it an hour ago.

In her original post, she said:

I yelled some things out of anger like "Could you fucking be any less careful?" and "Are you fucking serious?! I told you to be careful!!".

before he told her to "chill the fuck out." She said that she immediately became angry and started asking him how he could be so fucking careless, to which he responded harshly. The edit places him telling her to chill the fuck out before she said any of that which helps her come across as more sympathetic.