Another thought. From this trailer when Jack says by the fire "so you haven't heard the WHOLE story..." do you think that could be geared to Liz? She's admitted she knows a ton about him since she read about his exploits, so he might find it amusing, but at the same time theraputic, to tell her and only her about his prior life in the EITC.
And then touched by his confiding in her, Liz leans forward to give Jack a much deserved kiss and sexual romp on the beach.
I can dream, can't I? 😇