They often disagree and compete .
They develop great respect for each other , to the point where Minako sometimes lets her guard down , and eventually confides to Rei about both her illness and what she feels is her destiny as a Sailor Soldier .
Although they often disagree and compete , they develop great respect for each other , to the point where Minako sometimes lets her guard down , and eventually confides to Rei about both her illness and what she feels is her destiny as a Sailor Soldier .