For how long do you use your phones? If you have an OLED android phone you’ll definitely get burn in where the status/notification bar is. If you get a new phone every 2 years you won’t notice it. I’ve got it after around 4 years.
The ratio is off. You learn a lot more from high school and bachelor’s degree and you learn way less with your master. PhD is just expanding a little bit more on master.
You haven’t been to Europe then. I have a boiler in my basement which delivers hot water for two bathrooms and a kitchen as long as I want with constant temperature and never breaking down. That’s not even something special just the standard.
An Autobahn has per default no speed limit for cars, except when there is one indicated by a speed limit sign. But there are many parts on any Autobahn without speed limit signs, so in reality you can very often drive as fast as you want.
There are many opportunities to drive with 200km/h or more if you want, but often the traffic prevents going with this speed for longer than a few seconds or minutes.