Possible Clues:

• Restrains
• Curbs
• Checks
• Pulls back
• Sinner I reformed pulls up, perhaps
• Tempers are initially absent where unmarried couples live together?
• Controls the horse when the rain has set in, by the sound of it
• Checks brakes at home
• Stops home getting covered in sticky stuff
• Checks what sounds like downpour, something wrong