It's expected that you apologize when you hurt others.
Kari is fighting with her partner and ending up saying some hurtful things to him.
Kari wants to move past the argument.
Kari approaches her partner and takes back the things she said about him.
Kari lets some time go by and figures that they can just forget about it.
Kari's partner accepts her apology, and they are able to move on together.
Kari's partner remains hurt and secretly hangs onto the words that she said.