Find somebody that sells goodcoffee.
And dark chocolate? the darker you can stand it, the better. It contains phenylethanolamine, the compound your brain cuses your body to make when you think you are falling in love. Eat a bar of it when depressed, and you'll feel a little bit happier a couple of hours later.
Try it. You'll see.
But for every cup of coffee, drink a glass of water; otherwise, since caffeine is a diuretic and removes more water from your body than it adds, you'll get dehydrated, and maybe your blood pressure might dip, making you feel kind of weak. Cocoa has caffeine in it, too.
Once I tested the ph of 2 hour old coffee. It was about 2.7ph, right close to being a strong acid. Never tested it fresh.