You don't have to put cream in your coffee to make it taste good. Coffee doesn't complain when you've put whipped cream in it. Coffee looks better in the morning. You won't fall asleep after a cup of coffee. You can always warm coffee up.
Coffee comes with endless refills.
Coffee is cheaper. Coffee never runs out. Coffee is out of your system by tomorrow morning. You can take black coffee home to meet your parents. You can make coffee as sweet as you want.