Possible Clues:

• Do not disturb unaccompanied spring holidays taken retrospectively?
• Let sleeping dogs lie in desert, completely isolated
• Avoid interfering and fail to pick up at watering-hole?
• Keep away from a bore and don't get involved
• Don't interfere! It's a good thing Tommy Stout didn't!
• Don't interfere! Good job Tommy Stout didn't
• Permission to approach water supply by oneself, but touch nothing
• Don't get involved? We will during holiday without partner