Related Clues:

• 'No problem'
• Seabees' motto
• 'Piece of cake'
• Enthusiastic
• Gung-ho
• Positive
• 'No problem!'
• 'Piece of cake!'
• Enthusiastic, as an attitude
• Ready for any challenge
• Like some attitudes
• Eagerly optimistic
• Eagerly willing
• 'Not a problem'
• Optimist's credo