Three things

Here are 3

Pick one. Each takes about as long as it says.

• Stay in touch with the person who left

  People who leave a workplace, a church or a town are dropped quickly, and it is rarely a decision anyone made.

  OngoingFreeA friend

• Keep answering after they have left

  People lose their whole support network when they change jobs, at exactly the point they most need advice.

  OngoingFreeA friend

• Stay friends with both of them

  Friendship groups split after a separation, and the person who moved out usually loses everyone.

  OngoingFreeA friend