We will ask you a strange question: do you want to live? Of course - the majority will follow the answer. But the point is that life is offered in the future. Scientific developments have reached such a level that the resurrection of a person from just one cell, the business of the foreseeable future. For example, having handed over your cells now for storage (and this is just a few hairs), as millions of people in the USA have done, you get a unique chance to appear at least once again on our Earth.
Yes they could clone you, but my physical body doesn't define me. What defines me are my collective experiences, memories and behaviors. Those combined with my physical body is what defines me as me. My physical body could live again but it would experience different things, learn different concepts and behave differently from when i was living. My point is, if scientists could actually extend my life or transfer my knowledge to my newer younger body then that's awesome. But for me, life is beautiful because it ends