To propagate the species, mostly.

well I don't plan on having children so there's no need for me to be around

Okay this whole direction. As someone who's actually made the attempt. Really don't care for this at all.

Not from a crying and shaking triggering because that's just stupid to me.
In a "You have got to be kidding me that you have nothing to live for" direction more.

For Justin, your friends, your dogs