Let’s wrap up with a warning. Do not microwave cold coffee to make it hot, then immediately pour it over ice. That’s called "Flavor Limbo"—you’ve killed the taste twice. Also, don’t add ice to a mug of hot coffee and then walk away. You’ll return to a tepid, watery ghost of a drink that makes you question your life choices.
Finally, don’t use those sad, cloudy ice cubes that smell like your freezer. They have absorbed the ghost of last week’s frozen pizza. Use fresh, clean ice—or better yet, your homemade coffee ice cubes. Your future self will high-five you.
So there you have it. You now possess the arcane knowledge to turn any hot coffee into a crisp, satisfying iced drink. Go forth, brew boldly, and never fear the lukewarm again. And if anyone asks? Tell them you’re a trained professional. I won’t tell.