Gabriel and Beelzebub being together after 4 years of constant secret interaction, and possibly thousands of years of under-the-table heaven and hell agreements, being able to run away together unscathed as the top dogs of Heaven and Hell, but Aziraphale and Crowley having feared for their lives for even interacting at all for like 4,500 years thus giving them thousands of years of denials and excuses and buryings and dancing away froms which they can't exactly unlearn in a snap like can you see my pain can you see theirs.