You try and nurture the relationship. This day and age we have to do a little more networking than we used to do. All that does is make sure you befriend the people you are working with on a project so you hopefully carry it over to the next one.
If I had been helping the Almighty when he created man, I would have had him begin at the other end, and start human beings with old age. How much better to start old and have all the bitterness and blindness of age in the beginning!