Possible Clues:

• Youthful
• Like Peter Pan
• Heard why I rested in bunk like some children
• Like a pre-adolescent male smell lives in youth hostel
• By his round a round in a young sort of way
• Like some grins
• Like young male lout going over his manoeuvres
• Befitting a young lad
• By his confusion about love, revealing how immature youth is
• Year one wears pants like a young man