TCP is when you don’t get your package because you weren’t there to sign for it and now you have to wait until tomorrow for them to try again. You were home all day and no one rang the bell but you still keep finding a “sorry we missed you” slip in the door. Eventually you have to go to the package center and get it yourself.

UDP is when you get 50 packages per day thrown on your doorstep. Some of them are probably yours and some of those are probably what you ordered, but they show up fast and often