Only time will 'heal the rift/breach' between the two families. [=make the two families become friendly again]
The tree sap is believed to have 'healing' powers.
After the divorce, he needed some time to 'heal'.
(..) The edge of the world, maybe. (groans) - What's that? - Milk of the poppy. I don't want any. Sleep is the only way you'll heal. Trust me, if my soup didn't kill you, nothing will. Thing about Gatins, right, is he used to be pretty. I was a famous kisser. (..)2016 TvShow: Game of Thrones Title: No One Season: 6 Episode 8