The messages were kind of cryptic, but from what I gathered, they were planning some sort of trip and they didn't want the wife to find out.
Τα μηνύματα ήταν αινιγματικά, αλλά απ' όσα κατάλαβα, σχεδίαζαν ταξίδι και δεν ήθελαν να το μάθει η σύζυγος.