The Doctor's Guide to Making a Cup of Tea.
Step one: Impatiently boil the water using your Sonic Screwdriver.
Step Two: Select a large mug, preferably with an unusual pattern or something to distinguish it as yours.
Step Three: Place tea bag into mug with a nice flourishing motion.
Step Four: Pour in freshly boiled water, taking care to spill a small amount for someone else to clean up.
Step Five: Annoy people in room by humming loudly. If told to shut up, tell them politely that you are simply waiting for your tea to "brew".
Step Six: Add several heaped spoonfuls of sugar.
Step Seven: Squeeze your tea bag and yelp loudly as the hot tea burns your fingers.
Step Eight: Pour in milk and stir.
Step Nine: Take a large sip but don't swallow. Run to the sink and spit it out loudly, complaining of a scalded tongue.
Step Ten: Wait for it to cool to a suitable temperature before slurping it loudly and voila!