What if you could live forever...

I've seen this film yesterday, after 4 years later after the releasing date. Luckily, I got this film in English that was quite impressive.If you are not interested in questions about life, death, and love this film is not for you.
Three parallel stories-about love, death, spirituality, and the fragility of existence as told through the odyssey taken on by one man in his thousand year struggle to save the woman he loves. His epic journey begins in 16-th century Spain, where, as conquistador Tomas Creo, he begins his search for the "tree of life", the legendary entity believed to grant eternal life those who drink of its sap. As a modern-day scientist Tommy Creo, he desperately struggles to find a cure for the cancer that is killing his beloved wife. Traveling through deep space as a 26th astronaut, Tom begins to grasp the mysterious of life that have consumed him more than a century...