You take an instance of the people you want to take with you, and they take an instance of you in return. It won't feel like goodbye. 50,000 years later you sy

You take an instance of the people you want to take with you, and they take an instance of you in return. It won't feel like goodbye. 50,000 years later you sync memories if there has no been trickle of communication in that time between you and your instances