For many couples, their first vacation together is an exciting experience – but the hoped-for relaxation often turns into a test of endurance. According to relationship experts, so-called "icks" – small behaviors that can trigger discomfort or dislike in a partner – occur more frequently on vacation. Especially during the intensive time of traveling together, differences in hygiene, money, or habits come to light that are less noticeable in everyday life. Georgina Vass, relationship expert, explains why vacations can be so challenging for couples: "During a trip, you spend time together continuously, with no opportunity to avoid conflict. The vacation acts like an emotional pressure cooker and brings out behaviors that remain hidden in normal everyday life." According to Vass, the most common points of friction include different ideas about hygiene or handling money. The toilet situation in particular often causes discomfort for newly married couples. An analysis of over 70 TikTok videos by the airline Icelandair shows the most frequently cited icks during shared trips. These include refusing to try local food, excessive alcohol consumption, reclining the seat on an airplane, or childish behavior in the water. Interestingly, perceptions differ between the sexes: While women primarily criticize a lack of seriousness and childish behavior, men primarily complain about excessive social media use and poor personal hygiene. According to Vass, social media plays a significant role in the development of icks, as they often show idealized vacation pictures that create unrealistic expectations. While some icks are harmless quirks, recurring behavioral patterns can indicate serious relationship problems – so-called "red flags." Relationship experts therefore advise