Millions of sane people would each be sexually attracted to their own parent or child if they were not related to them.
The instant that you forget about the consequences of your actions on other people, is the moment that you are about to lose your humanity. We all are related, no matter, what skin color, sexual orientation, gender or religion we hold. We all like rosary beads. Our existence is depended to the rest, if one bead falls apart, the rest of us will do too. Our humanity defines by how we accept, respect and support each other, otherwise we are simply a bunch of animals acting according to our instinct and killing one another to survive.
Death is easy, you just take the gun or the knife and you just start to suicede by your own or you tell to somebody who is relative to you or somebody who is a friend it doesn't matter and you give him the gun or you say to him what to do and he kills you. This is easy, we aren't born to give up, we aren't born to die let's make ways, let's make our choices, even if you are down in the misearble place and you have lost hope and everything. You mustn't give up continue, stand up say that you won't give up, make few breaths and exhalations, then go to this road and continue. That's your mission!
There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.