Also, that awkward moment you find out your wife was conceived in your spaceship during her parents' honeymoon, which was your wedding gift to her parents, who are your best friends. Never apply logic to Who.
Sherlock: Here you are John, nice hot cup of coffee. John: It’s cold. Sherlock: Nice cup of coffee. John: It’s horrible. Sherlock: Cup of coffee. John: I’m not even sure it is coffee.<--- This comment made me so happy!