Someone once asked...
Someone answered with kindness...
i guess if it doesn’t come out of nowhere and actually gives background as to why your character is the way they are
Wandering voices — answers no one has read yet
Another soul answered...
hm just say they were abused or hurt
Another soul answered...
Everything that is written in a story must have purpose, and work towards the end goal of that story. Otherwise, it's useless information for the reader. Making the trauma your OC goes through relevant to the story will prevent it from becoming angst slop. Good luck!