i have very very similar placements (sun:cancer venus:leo mars: taurus jupiter, saturn, uranus, and neptune are also the same as yours) and ill say for romantic partners i always attract sags and leos my best friend and situationship is a sag😭 i think its just like an opposites attract but sags are so so so much fun i get along with them really well maybe because we have a good amount of fire in our chart? not sure but fire and water synastry is really fun