After the election, he spent a lot of time 'mending' political 'fences'.
We've 'mended' our differences [=stopped arguing] and agreed on a plan.
Only time can 'mend' a broken heart. [=make someone stop being sad]
(..) How do you pick up the threads of an old life? ...when in your heart you begin to understand... There are some things that time cannot mend... Mr. Frodo? What is it? It's been four years to the day since Weathertop, Sam. It's never really healed. (..)2003 The Lord of the Rings: The Return of the King