Ejaculate outside you mean?..

Well maybe Onan may have your answers about Spermatozoa being alive because.. He saw something.

You know apoptosis better than I believe I think hehe.
That's automated cell death.

For all your questions, I believe the moment you decide to have coitus, you should be aware of the consequences.

These include pregnancy as well. The safety of which is to be well planned for.
Not excused away like a fart in a public space. Na you mess the mess.