There are a few things where, if someone points a gun at your head and says "do this or I splatter you", you have to take the bullet according to Judaism. You can't murder someone to save your own life, for instance. ("Why do you think that your blood is redder than his?", the talmud asks.) But it's limited and, from what I've seen, it's more like "doing what one must" than something to be happy about. Human life is valuable, and for most things, you can violate Jewish law to save life.
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There are a few things where, if someone points a gun at your head and says "do this or I splatter you", you have to take the bullet according to Judaism. You can't murder someone to save your own life, for instance. ("Why do you think that your blood is redder than his?", the talmud asks.) But it's limited and, from what I've seen, it's more like "doing what one must" than something to be happy about. Human life is valuable, and for most things, you can violate Jewish law to save life.