Considering the goals you've held in the past, does now-you value what past-you did? You'll run into numerous identity related issues if you think of yourself as a point in time rather than a pathway through it, so the question is important. The generalized problem here is utility function imprinting, and human utilities tend to be biologically complicated.
Reading a Reddit thread about the experiences of people who woke up after a long coma, got me thinking. If something similar happens to me, I might wake up with a significant portion of my memories gone (not to mention changes of personality). The question is, how do I make sure that the amnesiac future-me will continue to pursue the goals of present-me?
This can be divided into 3 sub-questions:
Any suggestions?
PS. You may ask, why am I focusing on goals? I'll just let agent Smith speak for me.