Possible Clues:

• Go back (on promise)
• Fail to follow suit?
• Don't follow through
• Renounce Me generation in part, taken aback
• Don't do this. Keep your promise and you'll secure a pact from a percentage of them at least.
• Fail to follow suit, in bridge
• Pull out
• Disappoint, in a way
• Bridge no-no
• Fail to follow suit or keep a promise