Sacrificing life that you don't own is not a way to do a proper sacrifice.

And death is kinda bad sacrifice, usually not tasty at all.

Haven't you read some religious books on your planet?

Our long extended research in this field shows that even "parents" don't own their "children" lives.

Parents are more like a guides in the world for new people, they could be nice, they could be shitty.

But thinking that guide in the park is actually owning the part, is totally ridiculously wrong.

Proper sacrifice is continuous action where you spend some part of your life for something useful.

Another proper sacrifice method was somewhere in middle ages. There was periods when food became sparse.

Older people, like reeealy old people then destroyed their teeths so they could not eat normally and died.

Or if they could just take some not useful stuff and go away from community. To the mountains, to the some other city, somewhere.

And either they found some food there and could live longer, or again, just died.

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However while you still can do something useful, that will actually help to community, then you probably should do that.

If you don't know what things you can do, then just don't you go learn something new or ask people what they actually need?

Because if you able to do a lot in your live and still give even part of it to others, this is bigger than dying or killing for some stupid reason.

For now we could stop talking about this and maybe even give some recommendation:

For mentally stable species we recommend magic, reading, writing, programming, hyper-math ...

Of course anything you tries to do should be actually possible according to your physic laws, or just laws.

With regular training you could maybe even extend physical laws or your universe part, but this is not fast or easy process.

For mentally instable species:

- if you have multiple personalities, just try to be friends with them as a temporal measure. We may talk about this later in detail.

- if you paranoid, take measures for your safety.

- if you angry, then why? Try to find reasons, maybe change lifestyle or place of living.

- if you feel trapped, please know that it impossible to die twice in your universe at the moment, so just slowly, but steadily take steps from current problems.

- if it something else, then why is it what you can't solve it yourself? Have you tried for some help?