Possible Clues:

• A married woman about fifty gives a resentful toss of the head
• Horse's harness
• Bit holder
• Bit and reins, etc
• New partner will quickly, we hear, show resentment
• Getting married around fifty has one in harness
• Either restrain or show your anger
• Groom's partner secretes large item in stable
• A curb; show scorn (at)
• It carries a bit