You should always be prepared before you travel.
Felix is setting out on a long road trip soon and is packing his luggage.
Felix wants to enjoy the trip.
Felix makes a comprehensive list of everything he needs for his road trip and checks each item off as he packs it.
Felix just grabs things he notices around his room that he thinks he may need on his road trip.
Felix packs only what he needs and his road trip goes smoothly.
Felix over packs things he doesn't need and forgets things he does need so his road trip ends up worse than it could have been.