I am a big fan of Brazilian coffee.
I can also relate to how nice a good cup of coffee is on a twelve hour shift. When deployed on a Navy ship, often coffee was not known for being good but it would help you stay awake. A guy that I worked with brought his own coffee machine and coffee onboard because he was a coffee aficionado. If he knew I had an especially busy night, he would show up at my door with a cup of his coffee. That is how I came to really appreciate how amazing a good cup of coffee could be,
For years I was perfectly happy with coffee as a caffeine delivery method. Milk and sugar to mask the bitterness. It wasn't until I got into how to make good coffee did I find out the excessive bitterness was optional. No sugar required.