“It’s the friends you can call up at 4.00 am that matter.“
– Marlene Dietrich

Marlene Dietrich was a German actress and singer, who conquered Hollywood to become one of the most popular faces of her times. Her acting skills were much appreciated, as were her singing skills.

Relating the quote to the story

True friends are the ones whom you can call up at 4:00 am in the middle of the night. They will be willing to give up their sleep to hear you out. Similarly, Fergus is a true friend. He was prepared to give up the chance of winning the race to help Hydro, when she needed it the most.