Methinks, Shawn/Kayla may come to the realisation that just one threesome may not be enough 'penance' to make up for his/her previous indiscretions, and he/she may 'need' a lot more 'redemption' to properly atone for her (other?) previous betrayal(s). This might take a while. "I'll call you back when I'm sufficiently 'satisfied' with my exoneration."