The Question and Answer section for Tuesdays With Morrie is a great resource to ask questions, find answers, and discuss the novel.
Morrie means that we cannot shadow the rest of our lives with regrets from the past.
“We need to forgive ourselves. For all the things we didn't do. All the things we should have done. Youcan't get stuck on the regrets of what should have...
Morrie says he has become much more interesting to people since he is dying. Morrie wants his dying experience be a "bridge" to people so they can see what death is and not to fear it.
I think this is asking for your opinion rather than mine.