why are tigers of this sighn not compatible with each other ?

Im wodering why trigers aint compatible with eachother? im a tiger and my soulmate is tiger as well and we are star crossed lovers. As I vision with in us are tiger sighns were both fire in a star crossed lover the women is with fire and the man is with bread in the zodiac sigh she is born.in octobet 29 th makes her a scoripo and a water sigh as in me iam a caner the crab symbol (69) i am the leader of the moon as well makes me a water sighn too.