So, what should you actually put in your carry-on? Well, here's a quick rundown: passport, phone charger, liquids, electronics, medications, snacks, and a backup of your most important items (just in case). Oh, and don't forget the entertainment – you know, for those long flights when you've already watched all the movies and played all the games.
And finally, remember to check with your airline for any specific carry-on restrictions, or you might find yourself at the gate, frantically trying to gate-check your bag (don't ask me how I know). Happy packing, folks!