[ She glances away, her eyes falling off to the side.]
I'm sorry about the other day. I guess...[She sighs, closing her eyes.] I guess that I was just surprised that you didn't remember, and confused with my own memories feeling somehow hazy.
[There's no mention of the cause for upsetting her to begin with. She lifts a hand up to her head.]
The whole first day back is kind of a blur. I feel like a lot of upsetting things happened, but reflecting on it, I overreacted. And I...[She shakes her head, chagrined.] I shouldn't have just left you to fend for yourself on your first day. I'm embarrassed and upset with myself for it.