And with seeing Susan leave, something deep inside of Sean told him, that she will be alright. Something about her made him curious. So curious, that he was unable to stop thinking about what had happened in her past. But he considered that her absence in the Commonwealth will make this feeling fade away.
Step for step, Susan approached the exit of Sylvania Dome. Should he stop her?
No, she refused him every time he tried to get to know her. Trying now wouldn't change things anyways.
"Good-bye, Susan...or whatever your name is.", he whispered.