How to live forever

Let us ignore religion(afterlives) and science (the gradual raising of the average age of life, and discoveries of genes that affect our mortality). In a metaphorical, abstract, or philosophical sense, is it possible to live forever and in what ways?

Examples I can think of include, the immortality, idolization, granted by fame, through notable accomplishments, or through a book, artwork, or other created object that lives on after death. Love is often described as being “eternal”, and . We could ask how and why it is that we exist in the first place, and if we were to answer it is consciousness, that grants us life, then what does our consciousness come from, but from the words and concepts gained through society, and if that world in which we live, we can transmit or contribute to transmitting to others, who live their lives, awakened (if only a little more) by our awareness, and our consciousness transmits to them, do we pass on a little of our life to them, and do they keep it alive, even before we die and afterwards? In what way is our body alive in the first place and if we said that it is because we can feel our body, because we can move it and effect it, that we know that it is ours and that we live, could we also be able to say that, if through empathy we could feel the pleasure and pain of others, of individuals and communities and situations, and if we could move and effect these people and things, would they not also be part of our identity, part of “us”, and while we are alive far outside of the limits of our own skin in our life, wouldn’t this go on even after we dies?

Does human desire to live beyond the known natural lifespan result from an incomplete ability to understand the depth of life and its potential to fulfil all natural desires?