If spared, Phyllis will eventually write this letter to the Sole Survivor, thanking them and explaining that she needs to move on. The contents of the letter vary slightly depending on the dialogue options chosen when first speaking to her.
I thought they would be able to help me figure out if I'm a synth or not, but all they do is keep asking me about a baseball team. Hours and hours over the same question. Either I am, and this is some form of torture, or they have no idea either.
I can't take it any more.
Samuel, I'm sorry.
I'm sorry for everything.