[Oh... so that's what's troubling him. Frieda had already resigned herself to not finding out what unsettled him so badly back then, but perhaps, there's still a chance.]

It's alright. Luckily, the others found you - that's all that matters.

...

Do you want to tell me what I said that upset you so much?

[Her voice is gentle, signaling that he has the opportunity to decline her request.]