Related Clues:

• Keep cheerful!
• Keep cheerful! (colloq.)
• Foreign character takes joke the wrong way? Keep smiling!
• Exercise in park
• Don't despair
• Come to a stop and reverse
• Either way, it means arrest
• Keep cheerful
• Stop lift rising and falling
• Stop going uphill as well
• Keep optimistic feature on expert
• Palindromic bar exercise
• Exercise that goes from both ceiling and floor
• Roadside cafe maybe found heading north or south
• 'Don't let it get to you'