Term

I-statement

A first-person statement about your feelings or wishes, such as “I feel hurt” or “I want,” instead of an accusation such as “You’re doing it again…”

Explained in

No More Mr. Nice Guy!, Robert Glover
How to Talk to Children, Julia Gippenreiter
a sentence about your own feelings (“it's hard for me when...”) instead of blaming the child (“you always...”)