Possible Clues:

• Never mind what stress counsellor might advise
• 'Everything'll be fine!'
• "Relax!"
• Serves up medicinal herb without a natural fibre? Without a starter it'll be fine!
• There's no cause for alarm
• "It's all good"
• No traction in hill railway? There's no cause for alarm
• [ ]
• Reassuring remark today containing too much apology (not the first)
• ''Relax!''