Kismesissitude is based mutual hatred between two parties. Kismesissitude can only be successful between two people of equal ability.
You do not aim to kill your kismesis. It is a way of hating someone that sort of reflects all of your worst qualities to better understand yourselves. it is romantic hate, and is romantic. It is similar to arch-rivalry. You are the kismesis of this person you are talking to. The symbol for it is a spade, instead of a heart for regular love. you can show it as <3<