If you’ve only ever seen whiteboard markers used on a whiteboard, then of course you’ll be surprised when you use them on your t-shirt and they don’t wipe off.
If you’re two years old, you will. The concepts of ink, whiteboards being special, and ‘dry erase’ don’t feature when you think about whiteboard pens. They’re just the pens that wipe off.
If everyone you know who owns a house seems happy, then of course you’ll be surprised if owning a house doesn’t make you happy.
The concepts of relative affordability, maintenance, insurance and 30-year mortgage commitments might not feature for you.