growing youth has a wolf in his belly

Young people who are growing seem to be hungry all the time. My teenage son has eaten every last bit of food in the house. I guess it's true that a growing youth has a wolf in his belly.

Common Names:

Name	Pronounced	Usage
ThÉOtime	te-o-TEEM	French
Tryphon	-	Ancient Greek
Ragna	-	Icelandic, Norwegian, Danish, Swedish, Ancient Scandinavian
Ahmose	AH-mos (English)	Ancient Egyptian (Anglicized)
Alex	AL-əks (English), AH-ləks (Dutch)	English, Dutch, German, French, Portuguese, Italian, Romanian, Swedish, Norwegian, Danish, Icelandic
Menelaos	-	Greek Mythology