Related Clues:

• Difficult obligation
• The sky, to Atlas
• Daunting duty
• Worrisome thing
• Heavy load
• Burden sometimes "on you"
• Disagreeable obligation
• The heavens, to Atlas
• Unpleasant responsibility
• It's hard to bear
• Burden or responsibility
• Unpleasant necessity
• Unwelcome obligation
• "We're treating"
• Duty that's a drag