The reluctant adoptive parental figure to wayward kids.
The moment a character, of any gender, is suddenly handed the responsibility of being responsible for the livelihood of not just a child's wellbeing but like anyone younger than them who suddenly looks up to them as a parent I'm like "that's my spouse and those are my kids."
If you had to pick, what’s the ONE trait in a fictional character that makes you immediately go “oh this one’s mine”